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1. A statement said, an action made, or a woman who does or says something that can take a guy right out of the mood for sex and lovin'.

2. Any action that results in getting one's penis hit, crushed or pressed up against something tightly.

3. A woman with a very tight vagina who sits on top while having sex with a man.
Damn, that crazy bitch sure is one hell of a boner crusher.
by Shit_4_Brains August 29, 2007
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