rbb 

stands for "rather be blazing"

Hey. You want to rbb 5th?

Sure. As long as we got time to get my 30.

rbb by rbb December 13, 2006

RBP 

RBP stands for Random Button Pusher

An RBP is a person who has no clue how to play a fighting game. So they push as many buttons as they can trying to beat the person who knows how to play,Often resulting in arguments.

Damn it Ceasar learn how to play the game and stop RBPing

RBP by Kryos2010 June 11, 2011

RBF 

roblox boyfriend

“damn my rbf is so hot”

RBF by raygun May 10, 2020

RBL 

Random Burst(s) of Laughter

I was still having RBL over the joke he told a hour ago.

When I get sleepy I have RBL for no reason.

RBL by AsheeBizzle January 17, 2011

RBM 

It Means "Rebecca Black Moment"
Basically used when someone states the obvious.

Girl: Yesterday was Thursday so..today is Friday
Guy: You just had a RBM

RBM by ShaniceNicole April 24, 2011

rBFF 

acronymn for reinstated BFF. it is bascially when you used to be best friends with someone, then you stopped being friends for an extended period of time and then became best friends again.

me and (insert name here) barely spoke before this year. but now were rBFF's and i realized how much i missed her.

rBFF by thecoolestpersonyouveeverknown January 21, 2006

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

rb by Llazi-G July 4, 2018