Top Definition
A boner, hard-on, erection, etc. Not, however, the sixth Marx Brother.
"Jeez, even to this day that Pat Nixon sure gives me a stiffo!"
by Creedmoor December 11, 2005
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.

×