Top definition
A person who is so fat that he sweats no matter what. It does not matter where you are or how hot or cold it is, you sweat.

Many obese (overweight) people have are a fatfuk.

If you are a fat fuck, you need to lose weight pronto.

You do NOT want to be a fat fuk.

It's 30 degrees outside each night this week and I sleep with the door to outside open with my AC on in my boxers. I sweat like a dog regardless.

You are such fat fuk.
by Kyle Careau November 14, 2007
Mug icon

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