Top Definition
Where a large bellied individual raises his or her stomach and allows it to drop upon his or her sexual partner in a way that creates a *smack* sound. This is an act performed for sexual pleasure.
Man, my back is killing me from a night of gut flopping with your mom.
by Barringo November 10, 2007

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An unusual fetish act where the submissive bottom is hit by the obese dominant's massive belly. The large gut is lifted up with both hands and flopped onto the other party.
He was on all fours and she was gutflopping his back.
by altapr March 16, 2008

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When people are sexually going off then an obese person will raise their stomach and flop it in their partner so it makes a large SMACK noise😂 It's weird ik lol
It was so weird he just started gut flopping me, I've never been with anyone whose done that before
by Imma.holo.sexual January 29, 2017

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The Urban Dictionary T-Shirt

Soft and offensive. Just like you.

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The Urban Dictionary T-Shirt

Smooth, soft, slim fit American Apparel shirt. Custom printed. 100% fine jersey cotton, except for heather grey (90% cotton).

Buy the t-shirt