From Rap Dictionary
- A sucker, a target for gaffling and crime. "You mark-ass busta, you betta raise up" -- Dr. Dre (Dre [??]).
- Someone who is claiming a set (subset of a Crip or Blood gang) to which he does not belong.
- Someone who does what others do. "I cross the border put my car in park, take a look back further and spot a muthafucking mark" -- Tha CBT