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A boyhood ritual where two (or more) young men gather around a pornographic or sexually explicit object (usually a magazine of some kind) and begin to masturbate. The first participant to ejaculate is the winner, and gets to keep the object of affection until the next Napoleon boner party.
Todd blew his load in like five seconds at the Napoleon boner party, but it wasn't fair because he isn't circumcised.
by kitchenspazz April 26, 2017
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