by Poopie boobies November 29, 2016
Get the windy city mud flapmug. The act of shitting ones self while wearing tighty whities and quickly ripping them off and flapping them over the head of an unsuspecting bystander.
"Dude! I totally give that bitch Shelly an irish mud flap last week...I'm pretty sure she had to shave her head!"
by Usmc1371 January 7, 2016
Get the irish mud flapmug. Roast Beef Mud Flaps are the oversized lips of the vagina that resemble the mud flaps on a semi truck if they were made out of roast beef. This phenomena is often related to the woman having an excess of sexual partners, and/or extreme stretching by the use of sexual toys.
Chris: Hey man, did you end up hitting that last night?
Ken: Yeah, but it wasn't that great.
Chris: Why not?
Ken: Well, she had a massive set of roast beef mud flaps.
Chris: Were they that bad?
Ken: Yeah, it looked like she road a chainsaw to work everyday.
Ken: Yeah, but it wasn't that great.
Chris: Why not?
Ken: Well, she had a massive set of roast beef mud flaps.
Chris: Were they that bad?
Ken: Yeah, it looked like she road a chainsaw to work everyday.
by Queef Chief May 28, 2016
Get the roast beef mud flapsmug. 
by Noremak072 July 31, 2021
Get the West Virginia Mud Flapmug. An action in which a girl who's pussy is destroyed as well as having shit in it and then queefing in your face and her flaps and the shit goes go all over your nose.
by Poopooman96 March 1, 2025
Get the Tennessee Mud Flapmug. (Hairy Man bent over with pants falling down in the back ) Hey your mud flaps are showing, pull up your pants.
by Russian pearl October 4, 2016
Get the Mud flapsmug.