Top Definition
One who is so fat they can't sit on the toliet seat and has to sit on the bowl
Marlan Brando is a fattass.
by Levi Morris April 02, 2005

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some one who eats non stop. thier idea of fun is eating... eating is there life they live to eat
taylor w is such a fattass, i spent the night at her house and she was like i kno what we can do and went to the fridge and got out a box of corn dogs and sed its snack time....
by pooop May 28, 2007

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