Someone who's chin looks accustomed to having nuggets placed on it.
Someone who likes takin it in the mouth and restin the balls on their chin
Homie 1: Remember Julie?
Homie 2: Yeah I'm married to her now
Homie 1: Oh, She used to have a helluva nugget chin
Homie 2: what?
Homie 1: She used to take it from my all the time, man my nuggets were all over her chin
Homie 2: (Cock slaps Homie #1)