1 definition by Masterclapper

Top Definition
When a man is a.) naked or b.) wearing clothing that is non-constraining on the crotchal region, and he begins pelvic thrusting with such violent determination that his scroat (scrotum) begins to repeatedly smack audibly againnt his chode/taint/chonch.
Honey, stop that! Your thunder clap so goddamn loud it's going to wake the neighbors again.
by Masterclapper October 19, 2006
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