Urban Dictionary: Up and

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.

Getting better, actively rising above, coming in to your own, living large and getting larger.

by j e t August 26, 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 18, 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

Same as "Shut up, Fuck up", hence ...UP ...UP.

Obama, I am so tired of your "Change" bull shit so just up up, you liberal bitch.

by the_mad_rshn September 03, 2008

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