Top Definition
To fuck your partner with your thumb.
Last night while fucking my girlfriend doggystyle I decided to fonzie fuck her asshole at the same time.
by elkabong March 23, 2009
5 Words related to fonzie fuck

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.

×