ballin' it up 

The act (or acts) of doing very well in ones current position.
:Used and started primarily by motorcyclists:
Refers to the act of balling up the rubber on your motorcycle tires.
"Riding Fast"

1:"Damn! Did you see him ballin' it up out there on the track today?" 2:"Wow you were ballin' it up on the dance floor the other night!" 3: Jack: "what are you doing tonight bob?" Bob: "Oh I'm just ballin' it up here at home."

ballin' it up by Hans Wagner November 26, 2005

ballin’ it up 

toronto slang, the act of smoking weed with a person or people.

Yo are we ballin’ it up, fam?
Yeah bro let’s ball up and get hella high!

ballin’ it up by ballballball February 24, 2019

ballin' it up 

When a man does not wear any underwear or boxers under his shorts or trousers.

I forgot to put on my boxers this morning and now I'm ballin' it up.

ballin' it up by Marc83 December 28, 2005