What is G Baby?
1.
A person that has little or no use, but is as loyal as a golden retriever.
Yo G Baby! Get your useless ass over here!
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2.
Younger person who follows in one's entourage acting as a pupil and personal PR agent. He tells all of your rep and how filthy you are
Inquisiting Person?: And who are you supposed to be?
G-Baby: He's the prince, the one and only, the greatest...