Top Definition
A final expression of disgust at severely inappropriate behavior
Casey, you've really put the mouse in the mustard this time.
#mouse #mustard #disgust #anger #inappropriate
by MustardMouseStudios April 12, 2009
5 Words related to Mouse in the Mustard
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.

×