43
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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44
During anal sex between two homosexual males, the testicles of the partner engaging as "bottom" will serve as protective boundaries in regards to the excessive fecal splashings that occur during such interludes.
"My fudge was being packed so hard that my mudflaps were like chocolate covered strawberries."
by Mudflaps January 30, 2005
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45
When a male puts his nut sack over a female's nose and mouth while she is sleeping and snoring, thus creating a mud flap effect, as that of a mud flap blowing in the wind against a tire.
I give my girlfriend a mud flap every night.
by funked yo motha November 26, 2010
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46
uncircumsized, the foreskin can be used as a protective barrier during a buggering session
no condom needed here, i already have a mud flap!
by stueyscott June 23, 2005
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47
The huge folds of skin near a fat girl's vagina.
I couldn't find her clit b/c of her huge mud flaps.
by digoldong November 19, 2007
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48
a vagina with a ball sack underneath, but the sack has no balls in it
allison plays with her mudflap often
by poopsnatch January 24, 2008
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