The act of taking a huge dump on a rag of some sort and then slapping it onto the face of someone that is sleeping.
(The Morning After the kansas mud flap occured)
Ramone: "Dude it smells like shit in here..."
Steve: "Maybe because I totally Kansas Mud-Flapped you last night while you were passed out piss drunk."
Ramone: "Dude it smells like shit in here..."
Steve: "Maybe because I totally Kansas Mud-Flapped you last night while you were passed out piss drunk."
by Halifax Redthorn February 12, 2008

A "Toledo Mud Flap" occurs when a man has anal sex with a woman (or man, if that's your thing) who has diarrhea. The man's testicles act as a mud flap, keeping excrement from splattering all over the room.
by Dirty Rugger July 11, 2009

An old english black country term used when toasting to somebodies good health. simililar to cheers or bottoms up
for example, "please raise your glasses to the bride and groom and wish them all the best" then everyone says "up ya flaps"
by Big Ricky P August 27, 2006

A fat miserable, middle aged woman who leaves floaters in the toilet at work. She is ugly & most likely will be lonely for the rest of her life. She also has fat hands & does fanny farts.
by greekforthehoneybee December 8, 2010

Female with her hand in her pants, mindlessly touching herself in a non-sexual way... like a female Al Bundy.
Girl, stop flapping your parrot, take your hand out of your pants, turn off Jersey Shore, get your ass off the couch, and let's GO!
by TheJMM April 8, 2011

When the vaginal lips are so long on a Korean woman that they can pull them down between their legs and tuck them in between their ass cheeks.
by -bruh- February 4, 2020

by chilimann February 14, 2014
