Top Definition
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!'


'I knew the flu was going around, and it hit me hard with a case of the Viral mud butt diet.'
#sickness #flu #viral #butt #diet #mudd
by nurse hotpants February 11, 2012
Free Daily Email

Type your email address below to get our free Urban Word of the Day every morning!

Emails are sent from We'll never spam you.