Inferior to - To do better than - to win - to be "served"
It seemed the other team was always One-Up on us.

Despite her efforts, Sally felt Jane was always One-Up on her in responses.
by ra78 September 30, 2009
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To exceed expectations.

To do better than someone at something ( the person is generally good at the said task).
Omg I just one-uped the humanities test.
by Arcane15 September 22, 2014
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being better that something or beating something real bad
i think john gonna one up tonny in that fight..or
that backflip off the dumpster is gonna one up jumping off that building in that comp.
by Donovan Debrown August 4, 2007
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A derivitive of the term "big ups"
(noun) origin - Jamaican 1980s. singular and plural.
1. An expression of support or encouragement.
2. An expression of remembrance.
"Donald gave Mike one ups on a good play"
by Bilbo Bigguns March 17, 2010
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"Peace-up-one-blud-get-a-job" is a greeting or tag line for people who like to speak fast.
dave-:"cya later*waves*"
John-"Peace-up-one-blud-get-a-job"
by Captain_frisk September 3, 2007
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An extra man, Extar life, something Mario needs alot of.
Dude, if you jump over that piranah plant, over the lava, onto the turtle, bounce off that, land on that tunnel and press 'down' you go in a secret level, there's a one up.
by Treg September 22, 2003
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A marijuana smoking game in which you pass the spliff around a group and each person takes one more toke than the last. This goes on till there are not enough tokes left in the spliff for the next set of tokes.
Jeff - Lets play one up! I'll start: *holds up hand with 1 finger raised and takes a toke*

Jim - *takes two tokes and holds up 2 fingers*

Emma - *takes three tokes and holds up three fingers*

Jeff - *takes four tokes and holds up four fingers*

Jim - *takes five tokes and holds up five fingers*

Emma - *takes six tokes and runs out of fingers*

and so on...
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