O:
　 OAUS = On An Unrelated Subject
　　OBTW = Oh, By The Way
　　OIC = Oh, I See
　　OICU = Oh, I See You
　　OMDB = Over My Dead Body
　　OMG = Oh My God/Oh My Gosh
　　OMIK = Open Mouth, Insert Keyboard
　　ONNA = Oh No, Not Again
　　OOC = Out Of Character
　　OOTB = Out Of The Box/Out Of The Blue
　　OT = Off Topic
　　OTOH = On The Other Hand
　　OWTTE = Or Words To That Effect
　　OZ = stands for "Australia"
　　P：
　　PEBCAK = Problem Exists Between Chair And Keyboard
　　PEM = Privacy Enhanced Mail
　　Pic = Picture
　　PIMP = Peeing In My Pants
　　PITA = Pain In The Ass
　　PLS/PLZ = Please
　　PMFJI = Pardon Me For Jumping In
　　PO = Piss Off
　　POS = Parents Over Shoulder
　　POV = Point Of View
　　PPL = People
　　Pro = Professional
　　PS = By The Way/Photoshop
　　T：
　　TAH = Take A Hike
　　TANSTAAFL = There Ain't No Such Thing As A Free Lunch
　　TARFU = Things Are Really Fed Up
　　TDTM = Talk Dirty To Me
　　TEOTWAWKI = The End Of The World As We Know It
　　TFN = Thanks For Nothin'
　　THX/TX/THKS = Thanks
　　TIA = Thanks In Advance
　　TIAIL = Think I Am In Love
　　TIC = Tongue In Cheek
　　TLA = Three Letter Acronym
　　TLGO = The List Goes On
　　TM = Trust Me
　　TMI = Too Much Information
　　TMTOWTDI = There's More Than One Way To Do It
　　TPTB = The Powers That Be
　　TSR = Totally Stuck in RAM
　　TTFN = Ta Ta For Now
　　TTT = That’s The Ticket/To The Top
　　TTUL/TTYL = Talk To You Later
　　TWHAB = This Won’t Hurt A Bit
　　TY = Thank You
　　TYVM = Thank You Very Much

　　U：
　　U = You
　　UR = Your
　　U R = You are
　　unPC = unPolitically Correct
　　URYY4M = You Are Too Wise For Me
　　V：
　　VFM = Values For Money
　　VG = Very Good
　　W：
　　WAG = Wild Ass Guess
　　WAI = What An Idiot
　　WB = Welcome Back
　　WCA = Who Cares Anyway
　　WDYS = What Did You Say?
　　WDYT = What Do You Think?
　　WE = Whatever
　　WEG = Wicked Evil Grin
　　WG = Wicked Grin
　　WGAFF = Who Gives A Flying F
　　WIIFM = What’s In It For Me?
　　WIT = Wordsmith In Training
　　WITFITS = What in the F is this Sh
　　WOG = Wise Old Guy
　　Wot/Wut = What
　　WRT = With Respect To/With Regard To
　　WTF = What The F
　　WTG = Way To Go!
　　WTSDS = Where The Sun Don't Shine
　　WYMM = Will You Marry Me
　　WYP = What's Your Problem?
　　WYRN = What's Your Real Name?
　　WYS = Whatever You Say
　　WYSIWYG = What You See Is What You Get
　　WYT = Whatever You Think
　　X：
　　X U = Kiss You
　　Y：
　　Y = Why
　　Ya = You
　　YA = Yet Another
　　YAFIYGI = You Asked For It You Got It
　　YDKM = You Don't Know Me
　　Yep/Yup = Yes
　　YGBK = You Gotta Be Kiddin'
　　YMMV = Your Mileage May Vary
　　YNK = You Never Know
　　YOYO = You're On Your Own
　　YR = Yeah, Right
　　YSYD = Yeah, Sure You Do
　　YTTT = You Telling The Truth?
　　YYSSW = Yeah Yeah Sure Sure Whatever