The apple shaped, bell bottom, part of your ass that hangs out the side of a thong.
Ey Fatty, you got a nice fatty batty.
by No middle name fatty. October 21, 2009

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Top Definition
Refers to the rear end of a person (usually a women) with a very fat wobbly arse.
"You have a very fatty batty ses I!"

"LOOK AT THAT FATTY BATTY"
by Jason Winder May 04, 2006

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Your favorite word on a white mug.

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

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The Urban Dictionary T-Shirt

Soft and offensive. Just like you.

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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