Top Definition
When you're hitting it from the back and you throw up on the girl's back.The yak then moves down around her stomach,forming a belt of chunks.
Person 1:Dude,I can't believe you fucked that fat landbeast last night.You must've been wasted.

Person 2:Yeah,I was blasted.It's cool though,I gave her a pretty beefy gravity belt.
by As_Seen_On_TV May 04, 2009
5 Words related to Gravity Belt

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