the definition of a loose gooch is when a guy is getting pounded in the ass and the guy doing the fucking pulls out consecutively. The gooch is then repeatedly pounded like pizza dough with a sledge hammer.
God, Dygert gave me such a pounding i have a loose gooch.

I pounded dygerts tight lil butthoe all night long, and after that fucking, hoo, that was the loosest gooch i eva seen.
by Ihaveapoopyfetish September 14, 2004
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