Top Definition
A sex act of severe perversity and vigor, the process and culmination of which heavily emphasizes repetitive thrusting as well as the occasional light spank.

An extreme and depraved iteration of shunking can be seen in oysterbar.jpg
Please proceed with the shunk, as I've been lacking for a good shunking in some time.
by ttbMachiavelli October 28, 2008
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