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1.
one who masturbates; one who jerks off; one who chokes one's chicken; one who strokes one's cork while massaging one's grapes
Employee1: Man, why is the boss such a jerk?!
Employee2: Ah, don't worry dude, he's just busin' your balls cause he's a monkey pumper.
by Drjerkle September 22, 2009
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