Q
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