1 definition by ilylays

Top Definition
An abbreviation for a dirty old smelly grandma who wears a merkin.
person 1: wanna come to the movies tonight?
person 2: oh man i cant, i've gotta go visit my gerty!
person 1: dude, that's gross.
by ilylays May 14, 2008

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.