Top Definition
flour tied up in a napkin with the purpose of throwing it at a person or vehicle to create an explosion of flour.
"The other day I threw a flour grenade at my neighbor's Mustang."
by newjustice January 20, 2009
5 Words related to flour grenade

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.

×