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2.
Used in reference to a sexual experience involving two or more males.
Frank: "Where's Jared?"
Alex: "With Claudio. Probably having a bonerfest."
Frank: "Oh."
Alex: "Wanna have a bonerfest?"
Frank: "I'll have a bonerfest."
by Al-Mac May 23, 2008
 
1.
When a bunch of dudes are together at a strip club or a party when they want ass but no chicks. A bunch of guys that get boners together but not because of each other but because of the lack of pussy and the need to hit it.
Dude, last night's party was such a bonerfest. Gay.
by bonerfestlover4234 December 30, 2007