Top Definition
Like a litmus test, only instead of litmus paper there's bog roll and instead of an acid/base there's an anus that might have let something slip in the process of breaking wind.
Crikey - I think there was something in that! I'd better go and take a shitmus test...
by hippiness February 18, 2005

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.