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One Up, One Downinternet (-0.733)
A game, the object of the game is to figure out how to play.

you have 3 choices: 2 up, 1 up 1 down, or 2 down. what you are is dependent on your hands/arms for instance if you have both your hands in the air then you are 2 up

the point of the game once you figure out how to play it is to play with other people and change what you are as nonchalantly as possible
John: Want to play One Up, One Down?
Bob: Wtf is that?
John: c'mon just play
by The Jolly Ginger Giant July 24, 2010
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2
One Up, One Downsex (-1.269)
A military slang term that describes when two personnel are posted at a lookout or guard situation. One unit stays alert and awake watching for movement/activity (one up) while the other takes a nap or rests (one down). They alternate so as to be able to extend their alertness for a longer time. It is an unwritten rule that you must wake the resting person if you start to become tired yourself as the "One Up".
"We had 12 hours stuck on that LP/OP behind enemy lines so Smith and I decided to go One Up, One Down. I took Up first."
by Americ4nBulldog October 31, 2015
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