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1 definition by Drew Franklin

To deliver a massive blow to male genitals, usually done with a clenched fist in an upper-cut fashion. This move is reserved for those who have committed a grevious violation of male protocol (aka breaking "the guy code") and should only be deployed as a last resort.
"The guy sucker punched me after I told him to leave my girlfriend alone, so I gave him the Rouchambeau. That settled that."
by Drew Franklin June 12, 2006