To have sex with someone or another discreet name for sex
"Who have you been upping lately"

Adj. "Ha man just upped this hell skank"
by Shahid Jefcoate May 14, 2007
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1. To press the up button.
2. To go up.
3. To give a thumbs up.
4. a very sexual term, usually inappropriate.
(1, 2, 3)
Adrianna: "Don't forget to up this definition!"

(4)
Adrianna: "Wanna go upping with the guys tonight?"
Macy: "Uh, I've never upped before..."
Adrianna: "It's alright, I'll show you."

Macy: "Okay!"
by two_whacked-chicks(: December 27, 2009
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Getting better, actively rising above, coming in to your own, living large and getting larger.
"Feeling damn good, I'm on the up and up!"
by j e t August 26, 2005
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The opposite of keepin it on the downlow or doing stuff that you don't want anyone to know.
I ain't got nothing to hide...it's all on the up and up. We together, he cool.
by Dr Dre August 18, 2005
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to increase in value or update to better quality
You need to up up that computer, it's falling apart.

Up up your shoe game, those SB dunks are old.
by Cool Guy Danster April 22, 2008
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1. To do something unexpectedly or with out any thought

2. Impulsive act
My neighbor was sitting outside talking to his wife when then he up and shot her. I did not see that coming.
by Breaking dancing on cardboard September 27, 2019
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