The result of way too much anal sex - the anus is so stretched out that when it returns to its 'not being penetrated' state, the extra skin forms a flap over the anus.
by Stegosaurus Rex July 4, 2005

When you go to wipe your ass and your shirt accidentally gets in between the toilet paper and the poop
by Debo20 June 30, 2021

by g.n.b.rad September 19, 2010

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
by FapToDaMudFlap July 8, 2012

The skin that appears to be roast beef. Extending from the womans outer vaginal lips.
AKA: Meat curtains
AKA: Meat curtains
by Sea1Bass2 October 5, 2006

Only pertains to fatasses; when the amount of flab you have overhangs enough to interfere with going to the bathroom and thus makes contact with urine or shit making the flab act like a mudflap behind a truck tire.
by tehleet- February 9, 2010

by COOREY August 7, 2007
