The noise made by two nut sacks slapping together. Usually happens when two men are fucking doggie style. Know to happen occasionally while playing water polo.
Sven: Oh god peter your ass is so tight tonight

Peter: I know Sven, I've been working out, but shut up and fuck me harder you animal.

Sven: MmmM okay I'll just listen to the flesh cymballs
by Stubs Magnificent July 6, 2008
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