Top Definition
When having doggystyle intercourse with a female, you attempt to insert your meat rod into her dirtbox, and she replies "Eeeeuuuu Eeeuuu" or the noise similar to a porpoise makes
My roomates thought i had started an aquarium in my room yesterday but it was just my girlfriend doing a little porpoise action
by JayHoff April 06, 2006

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A name for a person who does noes fit in with others. Name taken from how a porpoise is a mammal who lives amonf fish in the ocean.
Meghan's such a porpoise. She doesn't fit in with anyone.
by Gray Finney April 10, 2007

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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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The Urban Dictionary T-Shirt

Soft and offensive. Just like you.

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The Urban Dictionary T-Shirt

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Ultimate Frisbee term used to describe a woman on the team stripping down to nothing, putting a frisbee between her breasts, and being carried about by four other players who are themselves sometimes topless. Usually done at social gatherings or during tournaments. The female version of the landshark.
He had no qualms about letting her use his brand new disc for the porpoise.
by Libby March 04, 2005

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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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).

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While banging a chick mercenary-style, lift her legs so that her knees are at her armpits. With your cock still inside her, shove your ball(s) in her ass.
Shelly is still reeling from riding the porpoise last night.
by Chuck690 March 10, 2006

The Urban Dictionary Mug

Lotsa space for your liquids.

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The Urban Dictionary Mug

Lotsa space for your liquids.

Buy the mug

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.

Buy the mug

The Urban Dictionary T-Shirt

Soft and offensive. Just like you.

Buy the t-shirt

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