A dwarf hobo
Man 1: Whoa, look at the lowbo!
Man 2: Wherez?
Man 1: Over there, scurrying behind the Hyundai Accent.
Man 1: He looks like Peter Dinklage, only with more hair nits.
A black person who has no ambition for himself or black people and spends his/her time pointlessly hanging on street corners and engaging in negative actions.
Don't talk to him, he's a real lowbo.
These gangbangers think they are rebels, but thay ain't nothing but a bunch of lowbos