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.
by funked yo motha November 29, 2010

the act of wiping ones arse in the direction of the moot, hence covering the flaps in poo.
similar to mud bagging (masculine)
similar to mud bagging (masculine)
friend: hey jenny, whats that smell?
mud flapper: sorry, i just did some heavy mud flapping
friend: mmm, delightful...
mud flapper: sorry, i just did some heavy mud flapping
friend: mmm, delightful...
by Dick Champ May 24, 2011

by drizzle April 15, 2004

by stueyscott July 3, 2005

by digoldong December 19, 2007

fairly big ass cheeks
by King Shit January 16, 2003

Noun
An excess of anal skin due to the extensive sexual use of your rectum.
Dumbass terms: you take it too much in the pooper
An excess of anal skin due to the extensive sexual use of your rectum.
Dumbass terms: you take it too much in the pooper
J: I think i got dead horsed at the fraternity house last night.
K: How do you know?
J: Because I woke up on their astroturf with nothing but my mud flaps to keep me warm.
K: How do you know?
J: Because I woke up on their astroturf with nothing but my mud flaps to keep me warm.
by Fat tits October 16, 2005
