Best definition
A lowlife or a deadbeat manz

Aye that manz is a waistman, real ting dawg
waistman: define #2
Waist Man
A weak person that likes to show off his or her weapon, usually a pistol, in the waist line of their pants. ie, Dough Boy in Boyz in da Hood. Usually quoting the movie line also ,” is there a problem?” While lifting one’s shirt to show off that they are armed. Usually done to instill fear or intimidation into the other. These individuals rarely if ever use the weapon. They just like to show it off and use it for show , like jewelry. DRAKE
Your boy is a waist man, get out of my face man. Stay in your place man.