Top Definition
When two guys manage to spread their ass cheeks wide enough to secure an air tight fit between their ass holes.
Flynn and Thompson worked for months in order to spread their asses wide enough to achieve sewer fusion.
by Donzilla June 10, 2009

The Urban Dictionary Mug

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The Urban Dictionary Mug

Lotsa space for your liquids.

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The Urban Dictionary Mug

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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

Smooth, soft, slim fit American Apparel shirt. Custom printed. 100% fine jersey cotton, except for heather grey (90% cotton).

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