Top Definition
1)the sound a photon torpedo makes coming out of the Enterprise

2)the sound an explosive turd makes when jettisoned out of one's stink-bay
Holy Balls, I just p'twanked a pound of corn-log into the toilet.
by Buddy Lite December 18, 2005

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Derived from the word p'twankyho. Similar meaning, but usually said with more "oomph".
-something has just occured (or not, as the case may be)
- "P'twank!"
by Cup-Sellithaine February 04, 2005

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