A person whose usefulness barely extends past that of a tire shroud or bug deflector.
Can't you do any right? You're a mud flap! Now get me a beer!
by Bigelow October 16, 2003
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During missionary position-sex with a woman, she farts on your balls.
I was having wicked sex with my girlfriend when she gave me a mud flap.
by Cadillac Williams February 6, 2005
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mudflaps is a females pussy lips that hang low and that will flap when the wind blows
Pussy lips hang so low whores can use them as wings go somewhere fly away with with them mud flaps you pussy lips you have peterbilt mud flaps
by Our adventures November 1, 2020
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Where a fat guy doesnt have a stomach hanging in front of him like a beer belly or a keg its a big piece of skin hanging down to his waist or his knee's. Like the flaps on the back of the truck
You anda friend see a guy who streaches and lifts his shirt and all you see is skin not even shaped hanging down.

Your Friends says "Ew he doesnt even have a keg"
You say "No joke it looks like a Mud Flap hanging down like the back of a truck.

by Michaelann Dach December 20, 2008
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1) Uncircumcised Forskin after anal sex.

2) A girls pussy lips after going ass to vagina.
After I pulled my uncircumcised cock out of her ass my dick looked like mud flaps after an off-road excursion.

After going ass to vag on my girlfriend, her pussy lips looked like soiled mud flaps.
by SploogeSheets September 26, 2017
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Another word for tortilla. Mostly of the flour variety.
by B*rad August 10, 2007
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