flesh cymballs
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
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