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Mudflapping 

the act of motor boating your girlfriends behind.
man i totally want to be mudflapping our waitress right now
Mudflapping by mm14 November 13, 2011

Mudflapping 

The unpleasant occurrence when one's excrement leaves the anus at such a trajectory and with such a velocity such that it gets friendly with rear part of the scrotum and or testicles
Aw man, I hate it when my dung is mudflapping all over my baby makers!
Mudflapping by FapToDaMudFlap July 8, 2012

mudflapping 

Female version of tea bagging. The act of a woman placing the lips of her vagina in her partners mouth.
She really loved mudflapping as foreplay.
mudflapping by dolander November 1, 2013

Mudflapping 

There are two definitions to this term.

1. As your partner is pooing, start motorboating their butt cheeks.

2. You have your partner laying on thier back. You poo on thier stomach. Then you take one flab of skin and put it over top of the poo. Then you take another flab and fold it over the first flab of skin. Then you have sex with the poo.
1. . . . So I turned her over and as soon as she crowned I began mudflapping her.

2. She was a big woman so I started mudflapping her.

mudflapping 

Mudflapping.The act of putting your Penis in ya Woman's ass then insert your hand and jerk off while she shits on you.
Percy told Yolanda he going tp do some mUDFLAPPING TONIGHT.
mudflapping by Cherphole September 17, 2016

mudcapping

Hard anal sex that results in an eruption or diarrhea that is held back by blocking the anus with your mouth.
Willie and Frank spent all night mudcapping, don't share a water bottle with either of them.
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