Those who are addicted to messaging and emailing will find this list comprehensive and useful...

R&D: Research & Development

R&R: Rest & Relaxation

RAT: Remotely Activated Trojan

RB@Ya: Right Back at Ya

RBAY: Right Back At You

RBTL: Read Between The Lines

RC: Remote Control

RCI: Rectal Cranial Inversion

RE: Regards -or- Reply -or- Hello Again

RFD: Request For Discussion

RFR: Really F***ing Rich

RFS: Really F***ing Soon

RGR: Roger

RIYL: Recommended If You Like

RKBA: Right to Keep and Bear Arms

RL: Real Life

RLF: Real Life Friend

RM: Remake

RMLB: Read My Lips Baby

RMMA: Reading My Mind Again

RMMM: Read My Mail Man

RN: Right Now

ROFL: Rolling On Floor Laughing

ROTFL: Rolling On The Floor Laughing

ROTFLMAO: Rolling On The Floor Laughing My Ass Off

ROTFLOL: Rolling On The Floor Laughing Out Loud

ROTGL: Rolling On The Ground Laughing

ROTGLMAO: Rolling On The Ground Laughing My Ass Off

ROTM: Right On The Money

RPG: Role Playing Games

RSN: Real Soon Now

RT: Real Time

RTBS: Reason To Be Single

RTFAQ: Read the FAQ File

RTFM: Read The F***ing Manual

RTFQ: Read The F***ing Question

RTK: Return To Keyboard

RTM or RTFM: Read The Manual -or- Read The F***ing Manual

RTTSD: Right Thing To Say Dude

RU: Are You?

RU/18: Are You Over 18?

RUFKM: Are You F***ing Kidding Me?

RUH: Are You Horny?

RUMCYMHMD: Are You on Medication Cause You Must Have Missed a Dose

RUMORF: Are You Male OR Female?

RUNTS: Are You Nuts?

RUOK: Are You OK?

RUS: Are You Serious?

RUSOS: Are You SOS (in trouble)?

RUT: Are You There?

RUUP4IT: Are You Up For It?

RX: Regards

RYO: Roll Your Own

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