A Random-Boner-Moment

i.e. Getting a boner for no reason whatsoever.
by k3nn7 November 11, 2009
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Russian Blood Mafia

Est 09/3/2019 YBM Krew Monmouth OR.
O shit those guys are with RBM dont fûck with them.
by YBMBracken September 3, 2019
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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
by ShaniceNicole April 6, 2011
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Random Black Man; usually found in parties around college campuses. Can often be found dancing shirtless near the stereo after only a few drinks. Nobody at the party knows this man, making his blackish presence random.
Partier 1: Dude, who's that shirtless nig dancing near the stereo?

Partier 2: I don't know, looks likes an RBM to me.

Partier 1: Quick, hide the Hennessey!
by APeezy716 December 9, 2008
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This word means "Raped By Men"
Tim's being rbm again.
by Agustus Gibbins October 1, 2004
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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.
by Demosthenes October 4, 2004
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