Muck Butt - the dirty, slimy, stinky, sweaty, itchy feeling you get in your ass crack after going too long without bathing. Usually occurs after long backpacking trips, or in people with poor showering habits.
After backpacking for a week without bathing, Jason couldn't wait to get home and clean his muck butt.
by Scamtrack February 06, 2016
Damn, Steve's chick is rockin' the butt drape tonight! She ain't foolin' nobody., though. You can see that fat ass from a mile away!
by Bigjimelrod November 27, 2014
When you bust in her butt and pull it out just in time to dick knife some of that hot mayo in her crack sandwich.
Tim: "Yo John, why's your girl walkin' so weird?"
John: "Glued her together with some of that butt mayo."
John: "Glued her together with some of that butt mayo."
by Tummystickers May 30, 2019
Measurement defined by more than 180 degree turn of the head while looking at a chicks arse. Often resulting in neck strain.
by Mutants June 24, 2011
by Lissandra May 03, 2013
by Kärsö Literary Society December 27, 2010
by babyakry January 11, 2011