Top Definition
Acquired Immune Deficiency Syndrome-{AIDS}.
"United Nations Peace Keeping Troops have spread the butt flu all over Croatia."
by J.E. Walker April 27, 2003
1 more definition
5 Words related to butt flu
When you have diarrhea.
I stayed on the toilet all night because I had a major case of the butt flu!
by SarahH2o October 20, 2008

Free Daily Email

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

Emails are sent from daily@urbandictionary.com. We'll never spam you.

×