Top Definition
Rolling on the floor, cumming my balls out.
Sarah: When Amir is chatting online, and he finds something funny, what does he type?
Jake: It's not LOL. ROTFCMBO?
Amir: That is correct!
Sarah: And for a bonus point, what does that stand for?
Jake: I don't want the bonus point... I...
Amir: Rolling On The Floor, Cumming My Balls Out.
by Jope Blumenfeld December 31, 2010

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