Top Definition
The residue left over on your mouse after excessive gaming or mouse use. Can also be found on keyboard.
We'll game in a second I need to clean off my mouse scum.
by Foryouhehe February 14, 2010
1 Word related to mouse scum

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.

×