rb

reply back

eg. on Snapchat YOLO ‘rb if ya not scared’

by lil TAZZz December 3, 2019

RB

Short for Rat Bastard. Something you would call someone for pulling a shaddy or lame manuever. For example, taking credit for you work at your job.

You are such an RB, I can't believe you ate my last bagel.

by sdlakers March 12, 2010

RB

roast beef short for roast beef dangles. nasty dangly female genitalia.

Broski I got that chick back to my place but she had nasty RB, I couldn't beat.

by corbet December 28, 2007

RBS

Random Boner Syndrome

Nick often gets boners during math class, which proves that he has RBS.

by swagsarah May 3, 2014

RB

has big pp

Robert: LMAO YOUR AN RBBBB

by bigelii September 28, 2020

RBS

Rich bitch shit

Eric is on his rbs he has on all Gucci

by bear5676 October 25, 2018

rb

A rb (rolex boy) is a term used for boys who use false Rolex watches.

That guy overthere is a rb. Defined as rolex boy

by Llazi-G July 4, 2018