Top Definition
That guy in class who always has the fucking answer (@ 8:30 am class)(not necessarily the right answer either)(but loves hearing his own voice regardless). And LOVES IT.
That John Paul in Arabic class, he's a real grinny mcdumbfuck.
by aliens9700 April 28, 2007
5 Words related to Grinny McDumbfuck

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.

×