Top Definition
when a girl has a huge butt that looks like an old grannie's
man, is it me? or does alyssa have grandma booty?
A woman with a flat, or frog butt
Guy 1: That woman looks so gross from behind.
Guy 2: That's because she has a grandma booty, eeffing nasty!
by nbunch81 June 03, 2016
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.

×