Top Definition
To masturbate onesself to and emission, usually of great and satisfying proportions.

masturbate, jerk off, rub one out, ejaculate, beat off
I saw this hot girl, but my mother was with me, so when I got home, I went to my room and blasted off by pulling the trigger on the purple headed yogurt gun.
by Holden_Magroin June 21, 2010

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