Country Dictionary

another way to say hang out or chill

hey you wanna get up later

someone's outfit, usually directed to a good looking hizzy.

(whispers)yo, check out that get up on skeezah.

The act of writing graffiti.

Im going to get up on that wall tonight.

basically the same thing as get down since one must get up to get down. Specifically implies to get up on the dance floor and get down.
Usually associated with James Brown...see usage

Get up! Get on Up! Stay on the scene, like a sex machine.

to be under the inlfluence of marijuana

'Yo I'm so up yo ' or
'when we finna get up? I just copped two dimes'

to get high on weed
to smoke marijuana
to smoke pot

yo nigga, (i'm white by the way) want to get up?

in graffiti terms: getting your name (tag) up

i've seen 20 of his tags just today! damn, he's getting up!