Top Definition
The act of hanging on your ceiling fan and dropping a large log into your partner's rectum, thus slapping her innards. The vagina can work too, but she may not like it.
Dude, I totally wanted to The Cannonball Slap to your sister last night.
by Eric DontTryThisAtHome BigDick December 06, 2010

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

Your favorite word on a white 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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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).

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