mud flap 

when one hot bitch lays ontop of another hot bitch and shits down the other chicks pussey. Once the shit is inside the pussey the bitch with the shit filled pussey queefs hard and sends that shit out that pussey.

wow did you see that video of that mud flap

ya I got so hard from that

mud flap by jAKe47 May 10, 2011

mud flap 

When you take a shit and it gets on on your nuts. It looks like a muddy tire flap.

I got explosive diarrhea last night and ended up getting a nice mud flap.

mud flap by tennessee tophat January 5, 2016

Mud Flap 

Balls. When sitting correctly, a mans testes may cover the anus and becoming a 'mud flap'. Also, when two are engaged in intercourse in the missionary position, the mans testes may cover the woman's anus and therefore becoming the woman's 'mud flap'.

Woman: What's a mud flap?
Man: I'll show you...

Mud Flap by saggy sack October 27, 2010

Mud Flap 

Hanging a single strip of toilet paper behind your butt to prevent spraying the back of the toilet. See also "splurtin curtain"

I don't even have to clean my toilet yet because I used a mud flap!

Mud Flap by The Riverboat Rammer January 28, 2020

Mud flap 

When your balls act as a guard during messy anal sex

As Jose was ass fucking Laura, he thought “thank god I have my balls as mud flaps. Otherwise that shit would have been everywhere.”

Mud flap by Kelita554 February 7, 2023

Mud Flap

The unholy act of dragging ass to vag without a rinse, where leftover poop gets squeegeed off by the pussy lips — now playing the noble role of mud flaps. Often followed by a smell, regret, and the kind of silence that ends relationships — or breakfast plans.

Tony (opening the door):
“Dean, are you and Lisa balls-deep in a mud flap right now???”

Dean:
“Too late — the lips already wiped it clean but now I’m fighting this raging inferno her crotch ignited on my dick.”

Mud Flap by BucketBear December 25, 2025

mud flap clap 

A woman gyrating her lower body in order to induce a clapping sound from her labia majors. Some women increase their ability to generate the mud flap clap by piercing or otherwise attaching weights to the area.

Just listen to Jen’s meat curtains and their mud flap clap.

mud flap clap by Jefe447 December 31, 2017