Top Definition
when a man has a boner and it sticks straight out instead of pointing up a little. Making a 90 degree angle with ur body and ur boner.
That guys 90 is sticking straight out of his pants.
by Dillin May 19, 2006

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An interstate and one of the longest roads in the U.S. from Boston to Seattle. Nothing for thousands of miles from Western New York State to Central Montana.
90 is very dull to drive if you can stand to 3 or 4 day drive.
by krock1dk December 08, 2007

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.

Buy the mug

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
an abbreviation for a unit of speed, the real speed everyone is traveling on the 75-mph highway.
"Woah! He's goin like, 90!"
"Um, we're goin 90 too..."
by Orion January 15, 2004

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