Top Definition
Commercially available chemical for cleaning residue from inside of bongs. Contains chemicals you probably shouldn't be inhaling. Use Palmolive mixed with baking soda instead.
Palmolive & baking soda works better than Grunge Off anyway.
by Madmann October 07, 2005
5 Words related to Grunge Off

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.

×