Top Definition
The standard unit of measure for blowjobs, push-ups, sit-ups, and other events of a cyclical nature. The unit symbol for up-down is "ud".
Alec only lasted 2 up-downs.

Alex, you owe me 12 up-downs because I won that bet.

Bro, how many up-downs did she give you?
by G.T. IV April 23, 2010

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Used in many sports for conditioning, or punishment. Drill started by saying "get em going", and that is the cue to start chopping your feet. When you hear "hit it" drop to the floor on your chest and get up as fast as you can and continue chopping your feet. Very pain full
Up Downs are...

Football: Stop holding your dicks and make a tackle. GET EM GOING HIT IT!
by alexangelidis December 09, 2008

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when you are drunk and the room is spinning so you cant go to seelp. you ay down, you sit up, yotu lay down, you situp. it sux
i am drujnk, so ihave the updowns
by jason November 11, 2004

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The Urban Dictionary Mug

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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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when a person punches a woman's boob in an upward direction and then immediately downward. it hurts really bad
"ow i just got up-downed"
by Shannon Rose Kelsey February 13, 2009

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.

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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.

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