The repeated action of slapping your ball sack against the throat/neck of the person slobbing on your knob. Requires a loose, dangly scrotum and rapid, back and forth, throat fucking.
Rachel’s a little banged up today after that round of gizzard slaps.

I could hear nothing but moaning and gizzard slaps comkng from my roommates bedroom.
by Eaton Holgoode January 9, 2019
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