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1.
After the act of sex the man takes his used condom, twirls it in the air like a helicopter and then throws it onto his partner's body, thereby cause his "seed" to explode out like a bomb. It is traditional to yell out "SEED BOMB" as one releases to throw.
Bro 1: Dude did I hear you hooked up with Chelsea last week?
Bro 2: Hell yeah man, f****** seed bombed that sloot!

*Bro's high-five and resume throwing the lacrosse ball*
by Rorsch May 29, 2013