Top Definition
a unit used to measure angles. 1 radian is the angle in a unit circle where the radius is equal to the arc. since pi radians=180 degrees, radians are usually expressed in terms of pi.
This angle measures pi/2 radians(90 degrees).
by 5'1"Racer June 05, 2005

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a small fit girl, usually a box of rocks. easy to get along with. A simpleton kind of girl.
Guy: wow radian is so tight
jealous girl: she is a simpleton
guy: what is that
by TheRealHunter March 07, 2016

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