Define Whaddup Bum Meaning

Whaddup Bum
1.used in song "whaddup bum" by the greatest rapper ever to come out of ohio- Chip The Ripper,
to say hello my dear friend what is up?

2. What the fucks up bro?

Slab niggas make the hoes go dumb gettin hella change so we call eachother bum.

I said whaddup bum to my nigga cudi
By Dorry