RFD - Request For Discussion 
RL - Real Life 
RTFM - Read The Fucking Manual 
RYO - Roll Your Own 
ROTBA - Reality On The Blink Again 
ROTFL - Rolling On The Floor Laughing 
ROTFLMAO - Rolling On The Floor Laughi… 
ROTFLOL - Rolling On The Floor Laughin… 
RW - Real World 
RAEBNC - Read And Enjoyed, But No Comm… 
RBAY - Right Back At You 
RHIP - Rank Has Its Privileges 
RLCO - Real Life COnference 
RLF - Real Life Friend 
RMLB - Read My Lips Baby 
ROFL - Rolling On the Floor, Laughing 
ROTFLBTC - Rolling On The Floor Laughi… 
RSN - Real Soon Now 
RTFF - Read The Fucking FAQ 
RTK - Return To Keyboard 
RYS - Read Your Screen 
RAEBNC - Read And Enjoy, But No Commen… 
RBAY - Right Back At Ya 
RBL - Raltime Blackhole List 
RBS - Really Big Screen 
RBY - Red, Blue, Yellow 
RDWHAHB - Relax, Don't Worry, Have A H… 
Re - Hello again 
RFC - Request for Comments 
RFL - Ready For Lunch