Top Definition
Water (usually warm) that has had one or more dead mice floating in it for several days/weeks. Can also be used as an adjective to describe anything unfavorable.
Use 1: Dude, C-Boy just drank that Mousewater!!!

Use 2: That test was Mousewater.
by Grahamish April 11, 2011

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.