When an old man or "geezer" gets a "boner". Either a "natural boner" or one by way of a libido enhancing drug.
Look at that old dude checking that young chick out, I bet he has a gezoner!

Gramps probably can't get a gezoner without taking Viagra!

by NW Babe January 30, 2009

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.

×