A plockmaniac is typically a man (in rare cases a woman) who, for reasons unknown cannot stop aggressively yanking or rubbing their genitals, often violently to the point of bruising or chaffing.

The most severe cases require intervention of some sort as the plockmaniac can get defensive or downright hostile when confronted about his or her disorder.
Luke often makes women uncomfortable when he's being a plockmaniac; that dude just can't stop yanking his wang, he's been hospitalized for it in the past.
by Ransoms Dutch February 20, 2020
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