RBM 

A Random-Boner-Moment

i.e. Getting a boner for no reason whatsoever.

I had an RBM in class the other day

RBM by k3nn7 November 11, 2009

rbm 

This word means "Raped By Men"

Tim's being rbm again.

rbm by Agustus Gibbins September 30, 2004

RBM 

Russian Blood Mafia

Est 09/3/2019 YBM Krew Monmouth OR.

O shit those guys are with RBM dont fûck with them.

RBM by YBMBracken September 3, 2019

rbm 

acronym for raped by men

status given to a person who has been and/or is often raped by men

They rape Tim because he's RBM. And he's RBM because they rape him.

rbm by Demosthenes October 4, 2004

rbm 

RBM aka rich boi mike (:

hey rbm wanna come to my house

rbm by MRmikethecoolDUDE December 2, 2020

RBM 

RAINBOW MONKEYS

RBM is best fortnite clan

RBM by SAVAGE THOMAS January 29, 2021

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