Top definition
When something is so manly it cause a uncontrolable and spontanious ejaculation.
Friend says to another friend while watching top fuel motorcyle drag racing

" Man if I could go down the track on that I would MANJACULATE all the way down the track "
by CHUCK N aka BATMAN November 03, 2009
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2
n. Humorous term for semen, specifically that which is produced during homosexual copulation.

v. The act of manjaculation.
Jesus, dude! Mop the manjaculate out of your ass and STFU!
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