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 27, 2005
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 19, 2005
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
You're so upful. (you're so cheerful.)
by jackkcaj July 24, 2009
Positive. Confident. Evolving. Kind. Live and full of life. Joy. Jubilant. Exalted. Blissful.
Have an upful day!
by Jo Cundity November 5, 2011
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 15, 2007
1. Having current sexual knowledge of a female. 2. Being aware of the existance of something (usually something positive). See also all up in that.
"You see Lisa last night?" "I'm up in that, G." "Word."
by Dr. Shatner June 6, 2004