Top Definition
RBM
A Random-Boner-Moment

i.e. Getting a boner for no reason whatsoever.
I had an RBM in class the other day
by k3nn7 November 11, 2009

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rbm
This word means "Raped By Men"
Tim's being rbm again.
by Agustus Gibbins September 30, 2004

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RBM
It Means "Rebecca Black Moment"
Basically used when someone states the obvious.
by ShaniceNicole April 06, 2011

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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.
by Demosthenes October 04, 2004

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RBM
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 08, 2008

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