When you have a case of sickness and everything you have taken in or are taking in via mouth, evacuates itself out your ass in a watery, muddy consistncey for a lengthy period of time.
'After eating that seafood I had a serious case of the Viral mud butt diet!'
Or
'I knew the flu was going around, and it hit me hard with a case of the Viral mud butt diet.'
Or
'I knew the flu was going around, and it hit me hard with a case of the Viral mud butt diet.'
by nurse hotpants March 27, 2012
Get the Viral mud butt dietmug. by Silly_poots October 3, 2020
Get the Buttmug. 
by anonymous October 3, 2017
Get the butt maxmug. by Nohandle@weather August 27, 2021
Get the Lela mean butt holdermug. A beautifully smooth and perfect butt, wonderful in every way. Often chanted by four year olds at the vet, confusing everyone in the general area.
by Buttercreambuttbaby June 19, 2018
Get the Buttercream Buttmug. Explosive gas.
When you fart so much at one time.
Preceding to let gas one after another, so fast they become jumbled.
When you fart so much at one time.
Preceding to let gas one after another, so fast they become jumbled.
by Monkey giblets March 21, 2016
Get the jumble buttmug.