Top Definition
People (or animals) that are hilariously fat and are therefore extremely amusing.
Dr. Phil: Welcome our fatastic guest Abby. She weighs 650 pounds and was air lifted into our studio this morning.

Abby: Thank you Dr. Phil for having me on your show. I would like to give a shout out to my fatastic husband and fatastic family.
by Fatastic Abby July 30, 2006

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Fantastically fat.
Jena weighs 200kg, she's fatastic
by raffik August 01, 2008

The Urban Dictionary Mug

Lotsa space for your liquids.

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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
The buzz you get from taking diet pills. It almost makes being fat fun.
I was fatastic today the way I was zooming around the house cleaning, like a plus size tornado. I don't know if I lost any weight, but I feel so great I almost don't care.
by MadamexXx March 03, 2009

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