the ass of a cat; the circular hole below the tail which expands and releases shit/flatulance
cats are the only animal that you can wake up at 3am turn around on your pillow and see a suction butt right in your face!!!!!
by betty buttckiss March 31, 2008

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Top Definition
when your ass sucks up your pants,shorts resulting in a mega wedgie...happens mostly to fat people
Damn she has suction butt in her mom jeans...
by rosepetals July 21, 2014

The Urban Dictionary Mug

Lotsa space for your liquids.

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The Urban Dictionary Mug

Lotsa space for your liquids.

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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.

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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