Q4U - Question for you
QBE - Query by example
QBF - Query by form
QED - Quite easily done
QIK - Quick
QKLY - Quickly
QL - Quit laughing!
QOS - Quality of service
QOTD - Quote of the day
QPSA - Que pasa? (Spanish: what's happening?)
QQ - Quick question
QS - Quit scrolling
QSL - Reply
QSO - Conversation
QT - Cutie
QT - Quiet
QYB - Quit your bitchin
R
R U THERE? - Are you there?
R - Are
R&D - Research & development
R&R - Rest & relaxation
R/T - Real time
R8 - Rate
RA - Red alert
RAD - Radical
RAEBNC - Read and enjoyed, but no comment
RAND - Random
RAOK - Random act of kindness
RAS - Reliability, availability and serviceability
RAS - Running around screaming
RB@Ya - Right back at ya
RBAY - Right back at you
RBS - Really big screen
RBTL - Read between the lines
R'CD, RCed - Reconnected
RE - Hello again / in regard to
RE - In regard to (or) hello again
RECOGNIZ - Recognize
REG - Register
REHI - Hello again (Re-Hi!)
REHI - Hi again
REM - Remark
REM - Remote
REN - Rename
REP - Repeat
REQ - Request
RES - Reset
RES - Resolution
RET - Return
RETR - Retrieve
RFC - Request for comment(s)
RFD - Request for discussion
RFI - Request for information
RFP - Request for proposal
RFQ - Request for quotation
RFR - Really friggin' rich
RFS - Really friggin' soon
RFSN - Real flipping soon now
RFT - Request for thinking
RFU - Reserved for future use
RGDS - Regards
RHIP - Rank has its privileges
RIHAD - Rot in hell and die
RINGL8 - Running late
RIP - Rest in peace
RKBA - Right to keep and bear arms
RL - Real life (when not chatting)
RLA - Run like an antelope
RLCO - Real life conference
RLF - Real life friend
RLR - Earlier
RM - Ready made
RMB - Ring my bell
RME - Rolling my eyes
RMH - Real manly hug
RML - Read my lips
RMLB - Read my lips baby
RMMA - Reading my mind again
RMMM - Read my mail man!
RN - Right now!
RNA - Ring, no answer
RND - Random
RNINL8 - Running late
R-O - Read only
ROF - Rolling on floor
ROFFNAR - Rolling on floor for no apparent reason
ROFFNPR - Rolling on floor for no particular reason
ROFL - Roll on floor laughing
ROFL - Rolling on floor laughing
ROFLAHMSL - Rolling on floor laughing and holding my sides laughing
ROFLAPMP - Rolling on floor laughing and peed my pants
ROFLAS - Rolling on floor laughing and screaming
ROFLASTC - Rolling on floor laughing and scaring the cat
ROFLGO - Rolling on floor laughing guts out!
ROFLMAO - Rolling on floor laughing my ASCII off
ROFLMBO - Rolling on floor laughing my butt off
ROFLMBOOL - Rolling on floor lauging my butt off out loud
ROFLOL - Rolling on floor laughing out loud
ROFLOLAY - Rolling on floor laughing out loud at you
ROFLOLTSDMC - Rolling on floor laughing out loud tears streaming down my cheeks
ROFLOLUTS - Rolling on floor laughing out loud unable to speak
ROFLOLVH - Rolling on floor laughing out loud very hard
ROFLOLWTIME - Rolling on floor laughing out loud with tears in my eyes
ROFLUTS - Rolling on floor laughing unable to speak
ROFLWMK - Rolling on floor laughing wet my knickers
ROFLWMP - Rolling on floor wetting my pants
ROFPML - Rolling on floor peeing myself laughing
ROFTTPOF - Rolling on the floor trying to put out flames
ROI - Return on investment
ROR - Raffing out roud (in scooby-doo dialect)
ROTBA - Reality on the blink again
ROTF - Rolling on the floor
ROTF - Rolling on the floor (laughing is implied)
ROTFL - Rolling on the floor laughing
ROTFLAHMS - Rolling on the floor laughing and holding my sides
ROTFLMBAOBPO - Rolling on the floor laughing my butt and other body parts off
ROTFLMBO - Rolling on the floor laughing my butt off
ROTFLMBOWPIMP - Rolling on the floor laughing my butt off while peeing in my pants
ROTFLOL - Rolling on the floor laughing out loud
ROTFLOLPMP - Rolling on the floor laughing out loud and peeing in my pants
ROTFLTIC - Rolling on the floor laughing till I cry
ROTGL - Rolling on the ground laughing
RotK - Return of The King (Tolkien)
ROTM - Right on the money
RPG - Role playing game(s)
RPN - Real page number
RPQ - Request for price quotation
RPT - Repeat
RR - Real reality
RRP - Recommended retail price
RS - Real soon
RSI - Repetitive strain injury
RSN - Real soon now (sarcastic)
RSP - Required space character
RSP - Response
RSS - Really simple syndication
RST - Reset
RST - Restart
RSVP - Repondez s'il vous plait (French, 'please reply')
RT - Real time
RT - Return (address)
RTBM - Read the bloody manual
RTBMA - Run that by me again
RTBS - Reason to be single
RTC - Real time clock
RTDox - Read the documentation
RTF - Read the FAQ(s)
RTFAQ - Read the FAQ(s)
RTFF - Read the fine FAQ
RTFFAQ - Read the friggin' FAQ(s)
RTFI - Read the friggin' instructions
RTFM - Read the fabulous manual
RTFM - Read the 'flippin' manual
RTFM - Read the friggin' manual
RTFMA - Read the 'fine' manual, again
RTFMS - Read the friggin' manual, sir (military)
RTFQ - Read the friggin' question
RTFS - Read the friggin' source
RTI - Real time interruption
RTK - Return to keyboard
RTM - Read the manual
RTS - Read the screen
RTS - Request to send
RTSM - Read the silly manual
RTSM - Read the stupid manual!
RTTSD - Right thing to say dude
RTWFQ - Read the whole friggin' question
RTWT - Read the whole thing (blog term)
RU oK - Are you ok?
RU UP 4 IT? - Are you up for it?
RU - Are you?
RU/18 - Are you over 18?
RU? - Are you?
RU32NITE - Are you free tonight?
RUCMNG - Are you coming?
RUF - Right up front
RUF2T - Are you free to talk?
RUKM - Are you kidding me?
RUMCYMHMD - Are you on medication cause you must have missed a dose
RUMOF, RUMORF - Are you male or female?
RUNTS - Are you nuts?
RUOK - Are you oK?
RUT, RUTHERE - Are you there?
RUTLKN2ME? - Are you talking to me?
RUTTM - Are you talking to me?
RUUP4IT? - Are you up for it?
RVD - Really very dumb
RX - Regards
RYFIM - Read your friggin' information manual
RYFM - Read your friendly manual
RYFM - Read your friendly/friggin' manual
RYL - Read you later
RYO - Roll your own (do it yourself)
RYS - Read your screen