On one wheel, as in a wheelie or a stoppie, on a motorcycle.
I saw a great stunt show, the stunna was up on one and grabbed a Red Bull out of some chick's hand.

Man, I am still working on a simple wheelie.
by SCRhollywood November 23, 2009
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To discreetly fart while in a crowded place.
"If I sneak up on one cheek, hopefully no one will hear me fart."
by creedmoor November 23, 2004
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Shortened slang for "get up on this," which in turn means "have some of this." Generally used when offering to share something.
"I can't finish this soda. You want up ons?"
"Nah, I'm not thirsty, but thanks."
by Victoria Soma May 21, 2008
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Up on; completely on top of in a metaphorical sense
"Da ladies will be all up-ons!"
by Ram-Dawg June 24, 2004
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this is for the complete lamo that most likely doesn't have 2 brain cells to bounce together. If you think about a funeral procession, and how it takes a little bit of effort to keep it organized...now pare it down to one car, yes, just one car - the idiot him/herself.
That moron could fuck up a one car funeral procession.
by grataballi October 22, 2005
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The state of flirting with a man, especially one who has used the ab-abber. See Homestar Runner.
"The ladies will be all up ons."
by KaiserMonkey August 22, 2003
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"All up ons" is a colloquial usage describing popularity. "It means they really like you". It can also mean something is on, around or close to someone.
"Well played, Strong Bad. Those ladies are sure to be all up ons."
by Gary D. August 19, 2007
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