1 definition by The Human Firework

Top Definition
Upon ejaculating, a man furiously tugs on his penis with alternating hands, opening each hand when he reaches the end of the penis, thus flinging his semen at the lucky lady in an effective and jovial manner.
George: Hey Charlene, why do you have jizzum all over your face, hair, and tits?

Charlene: Oh, that? Well Kyle just gave me a firework show.
by The Human Firework October 01, 2011
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