Top Definition
1. a name for those who have sexual intercourse with somebody's grandmother.

2. a motherfucker who has earned the title of Great Grand

Motherfucker
"Hey Timmy, go fuck your great grandmother, you greatgrandmotherfucker."

"Dude, ur not just a grandmotherfucker, your a greatgrandmotherfucker."
by southparkisforintellectuals April 28, 2010

The Urban Dictionary Mug

Lotsa space for your liquids.

Buy the mug

The Urban Dictionary Mug

Lotsa space for your liquids.

Buy the mug

The Urban Dictionary Mug

Your favorite word on a white mug.

Create a mug

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

Buy the mug

The Urban Dictionary T-Shirt

Soft and offensive. Just like you.

Buy the t-shirt

The Urban Dictionary T-Shirt

Smooth, soft, slim fit American Apparel shirt. Custom printed. 100% fine jersey cotton, except for heather grey (90% cotton).

Buy the t-shirt