Top Definition
The act of inserting one's thumb into another's anus, repeatedly.
"Suzie squealed like a pig in heat whilst I was fonzing her last night."
by Grebby Boeby July 13, 2005
The act of a girl getting fingered and being pleased by different men on drunk nights but, remembering the pleasure the next day.
"Are we drinking tonight?
-Yeah definitely! I wonder who's fonzing me tonight :)"
by DrewidMadison March 09, 2010

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.