SMS Dictionary and SMS Shorthand

By no means is the list below exhaustive. In fact, you probably can find many more SMS Dictionaries out there that highlight the latest SMS shorthand terms. Many of these text messaging sites also include free ringtones to add some personality to your phone.

Here are some of the SMS texts that we have seen:

0 Zero

1 One

10 Ten

10Q Thank You

121 One to one

1337 leet or Elite

1457 Last

1CE once

2 to

26Y4U too sexy for you

2BONO To be or not to be

2DAY today

2MOR tomorrow

2n8 Two and Eight (Right Old State)

2NITE tonight

2U2 To you

3 Three

4 for

4 Four

411 Info

4EVER Forever

4FRNFR Forever and Ever

5 Five

6 Six

7 Seven

7K Sick

8 Eight

86 Out Of or Over or To get rid of

9 Nine

:)s Smiles

@TEOTD At The End Of The Day

A3 Anytime

A41A14A All For One And One For All

AAAAA American Association Against Acronym Abuse

AAF As A Friend

AAK Asleep At Keyboard

AAMOF As a matter of fact

AAMOI As A Matter Of Interest

AAR At Any Rate

AAR8 At Any Rate

AAS Alive And Smiling

AATK Always At The Keyboard

AAYF As Always

AB Ass Backwards

ABITHIWT A bird In The Hand Is Worth Two In The Bush

ABRS Abbreviations

ABT2 About To

ACD Alt Control Delete

ACE Access Control Entry

ACK Acknowledgement

ADAD Another Day Another Dollar

ADBB All Done Bye Bye

ADIH Another Day In Hell

ADIP Another Day In Paradise

ADN Any day now

ADN Any day now

ADR Address

AEAP As Early As Possible

AFAGAY A Friend As Good As You

AFAHMASP A Fool And His Money Are Soon Parted

AFAIC As far as I'm concerned

AFAICS As Far As I Can See

AFAICT As far as I can tell

AFAIK As Far As I Know

AFAIU As Far As I Understand

AFAIUI As Far As I Understand It

AFAP As Far As Possible

AFC Away From Computer

AFDN Any Fucking Day Now

AFIAA As Far As I Am Aware

AFINIAFI A Friend In Need Is A Friend Indeed

AFK Away From Keyboard

AFU All fucked up

AFZ Acronym free zone

AGKWE And God Knows What Else

AIAMU And I'm a monkey's uncle

AIH As It Happens

AIMB As I Mentioned Before

AIMP Always In My Prayers

AISE As I Said Earlier

AISI As I see it

AKA Also Known As

ALAP As Late As Possible

ALOL Actually Laughing Out Loud

ALTG Act Locally

AMAP As Many As Possible

AMBW All my best wishes

AMF Adios

AML All My Love

ANFAWFOW And now for a word from our web sponsor

ANFSCD And Now For Something Completely Different

AOAS All of a sudden

AOB Abuse Of Bandwidth

AOL Army of lamers

AP Apple pie

ASAFP As Soon As Friggin Possible

ASAP As Soon As Possible

ASL Age

ASLMH Age/Sex/Location/Music/Hobbies?

ATK At The Keyboard

ATM At The Moment

ATST At the same time

ATW All the Web or Around the Web

AWGTHTGT Are we going to have to go through this again?

AWOL Absent Without Leave

AYK As You Know

AYSOS Are You Stupid Or Something?

AYTMTB And you're telling me this because?

B be

B4 Before

B4N Bye For Now

B4U Before You

B4YKI Before You Know It

BAG Bursting A Gut

BAK Back At Keyboard

BAU Business As Usual

BB Bathroom break

BB4N Bye-Bye for Now

BBBG Bye Bye Be Good

BBFBBM Body by Fisher

BBFN Bye-Bye for Now

BBIAB Be back in a bit

BBIAF Be back in a few

BBIAS Be Back In A Sec

BBIAW Be Back In A While

BBL Be Back Later

BBN Bye

BBS Be Back Soon

BBSD Be Back Soon Darling

BBSL Be Back Sooner or Later

BBT Be Back Tomorrow

BC Because

BCBS Big company

BCNU be seeing you

BCOZ Because

BD Big Deal

BDC Big dumb company or Big dot com

BDN Big damn number

BEOS Nudge

BF Boyfriend

BFD Big fucking deal

BFF Best Friends Forever

BFN Bye For Now

BG Big grin

BHOF Bald headed old fart

BIF Basis in fact or before I forget

BIOYN Blow it Out Your Nose

BITD Back in the day

BITMT But in the meantime

BKA Better Known As

BM Byte me

BMOTA Byte me on the ass

BMW Be My Wife

BNF Big name fan

BO buzz off

BOHICA Bend over

BOT Back on topic

BR Bathroom

BRB Be Right Back

BRT Be Right There

BS Big Smile

BSF But Seriously

BT Byte This

BTA But then again or Before the attacks

BTDT been there done that

BTDTGTS Been There

BTHOOM Beats The Heck Out Of Me

BTOBS Be there or be square

BTSOOM Beats the shit out of me

BTW By The Way

BTWBO Be there with bells on

bugly Butt Ugly

BW Best Wishes

BWDIK But what do I know?

BWO Black

BYKT But you Knew That

BYORL Bring your own rocket launcher

C see

C4N Ciao for now

CB Chat brat

CFD Call for discussion

CFV Call for vote

CIAO Goodbye (in Italian)

CID consider it done

CIS CompuServe Information Service

CMF Count my fingers

CNP Continued in my next post

COB Close Of Business

CofS Church of Scientology

COZ because

CP Sleepy

CP Cross post

CRAFT Can't remember a fucking thing

CRAP Cheap

CT City

CTC Choking the chicken

CTN Can't Talk Now

CU See You

CUL See You Later

CUL8ER See You Later

CUL8R See You Later

CUL8TR See you later

CUNS See You In School!

CUZ Because

CWOT Complete Waste Of Time

CWYL Chat with you later

CY Calm Yourself

CYA See Ya

CYL See You Later

CYT See You Tomorrow

DA the

DAMIFINO Damn

DARFC Ducking And Running For Cover

DBAU Doing business as usual

DD Due diligence

DDD Direct distance dial

DF Dear Friend

DH Dear Hubby or Husband

DIKU Do I Know You

DILLIGAD Do I look like I give a damn?

DILLIGAF Do I look like I give a fuck?

DILLIGAS Do I look like I give a shit?

DINK Double Income No Kids

DIY Do it yourself

DL Download

DNC Does Not Compute

DND Do Not Disturb

DUST Did You See That?

DWL Dying with laughter

DWYM Does what you mean

DXNRY Dictionary

DYLM do you like me

DYOFDW Do Your Own Fucking Dirty Work

DYSTSOTT Did you see the size of that thing?

E123 Easy as One

EAK Eating at Keyboard

EG Evil grin

EL Evil Laugh

EM Excuse Me?

EMFJI Excuse me for jumping in

EOD End of discussion

EOM End of message

EOT End of transmission

ESO Equipment smarter than operator

EULA End-User License Agreement

EWI E-mailing while intoxicated

EZ easy

F2F Flesh to flesh or Face to face

F2T free to talk

FAB Features

FAI Frequently argued issue

FAQ Frequently Asked Questions

FAQL Frequently Asked Questions List

FAWC For Anyone Who Cares

FBKS Failure between keyboard and seat

FBOW For better or worse

FBUGLY Fucking Butt Ugly

FC Fingers Crossed

FE Fatal error

FF Friends Forever

FFPN Fresh fields and pastures new

FISH First in

FITB Fill in the Blanks

FO fuck off

FOAD Fuck Off And Die

FOAF Friend of a friend

FOC Free of Charge

FOCL Falling off chair laughing

FOFL Falling on Floor Laughing

FOTFLOL falling on the floor

FRED fucking ridiculous electronic device

FRM from

FSCK File System Check

FTASB Faster than a speeding bullet

FTBSITTTD Fuck The Bull Shit It's Time To Throw Down

FTFTFWMF Fuck Them

FTITM First Thing In The Morning

FTL Faster than light

FTMFW For The Mother Fucking Win

FTMFWB For The Mutha Fuckin Win Bitches

FTTB For the time being

FTTYYGTS Fart That Tells You You Got To Shit

FTW For The Win

FUBAB fucked up beyond all belief

FUBAR fucked up beyond all reason / recognition / repair

FUBB Fucked Up Beyond Belief

FUBIO Fuck You Buddy I'm Out

FUD Fear

FWD Forward

FWIW For What It's Worth

FYA For your amusement

FYI For Your Information

FYIFV fuck you

FYIV fuck you

FYM For your misinformation

FYYSOS Fuck you

G Grin

G2G Got to Go

G9 Genius

GA Go ahead

GAL Get A Life

GALGAL Give A Little Get A Little

GBH Great Big Hug

GBTW Get back to work

GDR Grinning

GF Girlfirend

GFC Going for coffee

GFETE Grinning from ear to ear

GFN Gone for now

GG Good Game

GGN Gotta Go Now

GHP Good hand partner (for online card games)

GIGO Garbage in

GJIAGDVYCN Go jump in a god damn volcano

GL Good luck

GLLA Great lovers love alike

GLYASDI God loves you and so do I

GMBO Giggling my butt off

GMTA Great Minds Think Alike

GMTFT Great minds think for themselves

GNBLFY Got nothing but love for you

GR8 Great!

GRD Grinning

GRMBL Grumble

GRRRR Growling

GSOAS Go sit on a snake

GSOH Good Sense Of Humour (or Good Salary

GTG got to go

GTGB Got to go

GTGP Got to go pee

GTH Go To Hell

GTSY Glad to see ya

GYPO Get your pants off

H8 hate

HAB Hot Asian babe

HACK To use something not in its intended manner.

HAGD Have a Great Day

HAGN Have a good night

HAGO Have a good one

HAK Hugs and kisses

HAND have a nice day

HB Hurry back

hbtu Happy Birthday To You

HD Hold

HF Hello

HH Hold Hands

HHIS Hanging head in shame

HHO12K Ha ha

HHOJ Ha-Ha

HHOK Ha ha

HHOS Ha-Ha

HHTYAY Happy Holidays To You And Yours

HIH Hope It Helps

HIOOC Help! I'm out of coffee

HOAS Hold On A Sec

HOHA Hollywood hacker

HOT4U hot for you

HTH Hope this helps

HUA Heads up ace

HUD How You Doing?

HUGZ Hugs

HUYA Head up your ass

HW Homework

I 1DR I Wonder

IAC In any case

IAE In any event

IAITS It's all in the subject

IANAC I am not a crook

IANAE I Am Not an Expert

IANAL I am not a lawyer

IAT I Am Tired

IAYL In A While

IBRB I Will Be Right Back

IBT In between technology

IBTD I beg to differ

IC I See

ICBW I Could Be Wrong

ICQ I Seek you

ID10T Idiot

IDC I Don't Care

IDK I Don't Know

IDL Ideal

IDM It Does Not Matter

IEF It's esther's fault

IFAB I found a bug

IFU I fucked up

IGGP I gotta go pee

IGTP I Get The Point

IHAIM I Have Another Instant Message

IHNO I Have No Opinion

IHTFP I Have Truly Found Paradise

IHTFP I Hate This Fucking Place

IIIO Intel inside

IIMAD If it makes any difference

IIR If I Remember or If I Recall

IIRC If I remember correctly

IIWM If it were me

ILICISCOMK I laughed

ILU I Love You

ILY I love you

IM Instant messaging

IMCO In my considered opinion

IMHO In My Honest/Humble Opinion

IMNSHO in my not so humble opinion

IMO In My Opinion

IMOW In My Own Words

IMPE In my previous/personal experience

IMS I Am Sorry

IMVHO In my very humble opinion

INMP It's not my problem

INPO In no particular order

IOH I'm outta here

IOTTMCO Intuitively obvious to the most casual observer

IOU I owe you

IOW In Other Words

IPN I'm posting naked

IRC Internet Relay Chat

IRL In Real Life

ISS I said so

ISTM It Seems to Me

ISTR I Seem To Remember

ISWYM I See What You Mean

ITM In the money

IUM If You Must

IUSS If you say so

IYKWIM If you know what i mean

IYKWIMAI If You Know What I Mean And I Think You Do

IYO In your opinion

IYQ I like you

IYSS If you say so

IYSWIM If you see what I mean

JAD Just Another day

JAFO Just another fucking onlooker

JAM Just A Minute

JAS Just a second

JC Just checking

JIC Just in case

JK Just kidding

JM2C Just My 2 Cents

JOO You

JOOTT Just one of those things

JPYL Just pulling your leg

JT Just Teasing

JW Just wondering (Wondered)

JYYC Just yanking your chain

K okay

KBD Keyboard

KEWL Cool

KFY Kiss for you

KHUF Know How You Feel

KIR Keep It Real

KISS Keep It Simple

KIT Keep in touch

KMA Kiss my ass

KMRIA Kiss my royal Irish arse

KOK Knock

KOTC Kiss on the cheek

KOTL Kiss on the lips

KWIM Know what i mean

KYPO Keep your pants on

l33t Elite (also 1337 - A method of writing using numbers instead of letters)

L8 late

L8ER later

L8R Later

L8RS Laters

L8TR Later

LAGNAF Let's all get naked and fuck!

LAQ Lame ass quote

LD Long distance

LDR Long Distance Relationship

LDTTWA Let's do the time warp again

LIFO Last in

LLTA Lots and lots of thunderous applause

LMAO Laugh My Ass Off

LMFAO Laughing My Fucking Ass Off

LMIRL Let's meet in real life

LMK Let me know

Lndn London

LOL Lots Of Love

LOL Laugh Out Loud

LOLA Laugh Out Loud Again

LOLERSKATES #NAME?

LOLLERSKATES Laugh Out Loud Skates - Hilarity on wheels; Funny plus skates

LOOL Laughing Outragously Out Loud

LOPSOD Long on promises

LQTM Laughing Quietly To Myself

LRF Little rubber feet

LTNS Long Time No See

LTNT Long time

LTR Long term relationship

LULAB Love you like a brother

LULAS Love you like a sister

LV love

LWR Launch When Ready

LYL Love ya lots

LYLAB Love You Like a Brother

LYLAS Love you like a sister

M8 Mate

M8 or M8 Mate or Mates

MFD Multi-Function Device

MfG Mit freundlichen Gruessen

MHBFY My Heart Bleeds For You

MIHAP May I Have Your Attention Please

MKOP My Kind Of Place

MM Market Maker

MMFU my mate fancies you

MMHA2U My Most Humble Apologies To You

MMS Multimedia Messaging System

mo Moment

mofo Mother Fucker

MOMPL One Moment Please

MOO Mud

MOOS Member Of The Opposite Sex

MorF Male or Female?

MOSS Member Of The Same Sex

MOTAS Member Of The Appropriate Sex

MOTD Message Of The Day

MOTSS Members Of The Same Sex

MSG Message

MTBF Mean Time Between Failure

MTE My Thoughts Exactly

MTFBWU may the force be with you

MTFBWY May The Force Be With You

MUBAR Messed up Beyond All Recognition

MWBRL More Will Be Revealed Later

MYOB Mind your own Business

N00B Noobie (New Person)

N1 Nice One

N2M Not To Mention

NA Not applicable or Not affiliated

NAK Nursing at keyboard

NALOPKT Not A Lot of People Know That

NAP Not a problem

NAZ Name

NBD No big deal

NBIF No basis in fact

NC No comment

NCG New college graduate

NE any

NE1 Anyone

NE1 anyone

NE1 ER Anyone Here?

NETHNG anything

NF Nucking Futs (Fucking Nuts)

NFC No fucking clue

NFI No fucking idea

NFW No fucking way

NG New gme

NH Nice Hand (Used in Poker)

NIFOC Nude in front of the computer

NIM No internal message

NIMBY Not in my back yard

NIMQ Not in my queue

NINJA No Income

NM NeverMind

NMP Not my problem

NO1 no one

NOOB New Person - Noobie (often derogatory; Your such a noob!)

NOYB None of your business

NP no problem

NQOCD Not quite our class

NRG Energy

NRN No Reply Necessary

NSFW Not Safe For Work

NT No text

NTK Nice To Know

NTYMI Now That You Mention It

NUFF Enough Said

NVM Nevermind

NW No Way!

NYCFS New York City finger salute

OAUS On an unrelated subject

OBTW Oh

OEM Original equipment manufacturer

OIC Oh I See

OK All Correct

OLL Online love

OMDB Over My Dead Body

OMFG Oh my fucking God

OMG Oh My God

OMIK Open mouth

ONNA Oh no

ONNTA Oh No

OOC Out of character

OOF Out Of Facility

OOI Out Of Interest

OOO Out of office

OOTB Out of the box or Out of the blue

OOTC Obligatory on topic comment

OS Operating system

OT Off topic

OTOH On the other hand

OTP On the Phone

OTT Over The Top

OTTOMH Off the Top of my Head

OUSU Oh

OWTTE Or words to that effect

OZ Australia

PANS Pretty awesome new stuff

PAW parents are watching

PCM Please call me

PD Public Domain

PDOMA Pulled directly out of my ass

PDQ Pretty Darn Quick

PEBCAK Problem exists between chair and keyboard

PIMP Peeing in my pants

PITA Pain In The Arse

PLS please

PM Personal Message

PMFJI Pardon me for jumping in

PMIGBOM Put Mind In Gear Before Opening Mouth

PMJI Pardon My Jumping In

PML Piss Myself Laughing

PMP Peeing my pants

PMPF Piss My Pants Funny

PO Piss off

POETS Piss on everyone

PONA Person of no account

POOF Good-bye

POS Parent over shoulder

POV Point of view

PPL People

PRT Party

PRW Parents Are Watching

PS Post Script

PTB Please Text Back

PU That Stinks

pwnage Ownage - The act of pwning

pwned Owned - Much better; He got pwned by the better player)

PZA Pizza

QL Quit Laughing!

QS Quit Scrolling

QT Cutie

R are

RAT Remotely activated trojan

RBAY Right Back At Ya

RBTL Read between the lines

RD Research and development

RE Regards or Hello Again

REHI Hello again or Re-hi

RFD Request For Discussion

RFR Really fucking rich

RFS Really fucking soon

RKBA Right to keep and bear arms

RL Real life

RLF Real life friend

RLR Earlier

RMLB Read my lips baby

RMMM Read my mail man!

RN Right now!

ROFL Rolling On The Floor Laughing

ROFLCOPTER Roll On Floor Laughing Copter (It's funny and it flies)

ROFLMAO Rolling on the floor laughing my ass off

ROFLOL Roll On Floor Lauging Out Loud

ROTFL Rolling on the floor laughing

ROTFLMAO Roll On The Floor Laughing My Ass Off

ROTFLOL Rolling On The Floor Laughing Out Loud

ROTM Right on the money

RPG Role playing games

RR Rest and relaxation

RSN Real soon now

RTBS Reason to be single

RTDox Read the documentations

RTFAQ Read the FAQ File

RTFI read the fucking instructions

RTFM Read the Fucking Manual

RTFM read the fucking manual

RTK Return to keyboard

RTM Read the manual

RU are you

RUMORF Are You Male Or Female

RUOK are you okay

RUUP4IT Are You Up For It

RX Regards

RYO Roll your own

S2R Send To Receive

S4L Spam For Life

SBIA Stands Back In Amazement

SBTA Sorry

SCNR Sorry

SED Said Enough Darling

SETE Smiling Ear to Ear

SF Surfer Friendly or Science Fiction

SFAIAA So Far As I Am Aware

SFETE Smiling From Ear To Ear

sfw Safe For Work

SG4IT Search Google For It

SH Shit Happens

SITCOMs Single Income

SITD Still In The Dark

SK8 Skate

SLIRK Smart Little Rich Kid

SMAIM Send Me An Instant Message

SME Subject Matter Expert

SMEM Send Me E-Mail

SMPF Shit My Pants Funny

SMS Short Message Service

SNAFU Situation Normal

SNAG Sensitive New Age Guy

SNERT Snotty Nosed Egotistical Rotten Teenager

SO Significant Other

SOHF Sense Of Humor Failure

SOL Shit Out of Luck

SOP Standard Operating Procedure

SorG Straight or Gay?

SOZ sorry

SRO Standing Room Only

SSDD Same Shit Different Day

SSEWBA Someday Soon

STATS Your sex and age

STFU Shut The Fuck Up!

STM Spank The Monkey

STR8 Straight

STYS Speak To You Soon

SUM1 someone

SUYF Shut Up You Fool

SWAG Scientific Wild Ass Guess

SWAK Sent (or Sealed) With A Kiss

SWALK Sent with a loving Kiss

SWDYT So What Do You Think?

SWG Scientific Wild Guess

SWTDRMZ Sweet Dreams

SYS See You Soon

T+ Think positive

TAFN That's all for now

TAH Take a hike

TARFU Things are really fucked up

TAS Taking A Shower

TB Text Back

TBA To be advised

TBC To be continued

tbh To Be Honest

TCB The Trouble Came Back!

TDM Too Darn Many

TDTM Talk dirty to me

TEOTWAWK The end of the world as we know it

TFDS That is For Darn Sure

TFH Thread from hell

TFN Thanks for nothing or Till further notice

tfr Thanks For Reading

TGIF Thank God it Is Friday

THANQ thank you

THNX 1 Thanks a million

THX Thank You

THX or T Thanks

THX

THX40 Thanks For Nothing

TIA Thanks in advance

TIAIL Think I am in love

TIC Tongue in cheek

TLA Three letter acronym

TLGO The list goes on

TLK2UL Talk to You Later

TM Trust me

TMA Too many acronyms

TMB Text Me Back

TMFA Too many fucking acronyms

TMI Too much information

TMIY Take me Im yours

TMK To my knowledge

TMTOWTDI There's more than one way to do it

TNA Temporarily not available

TNC Tongue In Cheek

TNTLLAC Try Not To Look Like A Cock

TNX Thanks

TOM Tomorrow

TOS Terms of service

TOT Tons of Time

TP Team Player

TPC The phone company

TPTB The powers that be

TSR Totally stuck in ram

TSWC Tell someone who cares

TTBOMK To the best of my knowledge

TTFN Ta-Ta For Now!

TTG Time to Go

TTS Text to Speech

TTT That's the ticket or to the top

TTTT To Tell The Truth

TTUL Talk to You Later

TTWIG That's the way it goes

TTYL Talk To You Later

TTYL8R Talk to you later

TVN Thank You Very Much

TW Team Work

TWIMC To whom it may concern

TWT Twat!

TXS Thanks

TXT BAC text back

TY Thank you

TYVM thank you very much

U You

U2 You Too

U4E Yours For Ever

UI! You Idiot!

UL You Will?

unPC unPolitically correct

UR your

UR You Are?

URAQT you are a cutie

URAS you are a star

URT1 Your are the one

URW You are welcome

URWS You Are Wise

URYY4M You are too wise for me

VBG Very Big Grin

VBS Very Big Smile

VC Venture capital

VEG Very Evil Grin

VFM Value for money

VM Voice mail

VRBS Virtual reality bullshit

VSF Very Sad Face

W with

W8 Wait...

WAD Without A Doubt

WAG Wild Ass Guess

WAI What an idiot

WAMBAM Web application meets brick and mortar

WAN2 want to

WB Welcome Back

WBS Write Back Soon

WC Who Cares?

WCA Who cares anyway

WDYS What did you say?

WDYT What do you think?

WE whatever

we Weekend

WEG Wicked evil grin

WF Way Fun

WFM Works for me

WG Wicked grin

WGAFF Who gives a flying fuck

WIIFM What's in it for me?

WIIWD What it is we do

WISP Winning Is So Pleasureable

WIT Wordsmith in training

WITFITS What in the fuck is this shit

WKND weekend

WLUMRyMe Will you marry Me?

WNOHGB Were No One Has Gone Before

WO without

WOG Wise old guy

WOMBAT Waste of money

wrk Work

WRT With regard to

WT Without Thinking

WT What?

WTB Want to buy

WTF What The Fuck

WTFRU Who the fuck are you?

WTFWT What the fuck was that?

WTG Way To Go!

WTGP Want to go private?

WTH What The Hell

WTMI Way too much information

WTTM Without Thinking To Much

WU What is Up

WUD what you doing

WUF Where Are You From?

WUWH Wish you were here

WWDWIIWD When we do what it is we do

WWY Where Were You?

WYCM Will You Call Me?

WYGOWM will you go out with me

WYP What's your problem?

WYRN What's your real name?

WYS Whatever you say

WYSITWIR What you see is totally worthless in real life

WYSIWYG What you see is what you get

WYSLPG What you see looks pretty good

WYT Whatever you think

WYWH Wish You Were Here

XI10 Exciting

XLNT excellent

XME Excuuuuse Me

XOXO Hugs and Kisses

Y why

YA Yet another

YA yaya Yet Another Ya-Ya (as in yo-yo)

YABA Yet another bloody acronym

YACC Yet another calendar company

YAFIYGI You asked for it

YBS You?ll be Sorry

YCT Your Comment To

YGIAGAM Your guess is as good as mine

YGWYPF You get what you pay for

YHM You have mail

YIC Yours in Christ

YKW You Know What?

YM Young man

YMMV Your mileage may vary

YNK You never know

YR Why Are

YSYD Yeah

YTTT You telling the truth?

YW You are Welcome

YYSSW yeah yeah sure sure whatever

ZOMG Oh My God (Sarcastic variant)

ZZZ Sleeping

NTHING Anything