A combination of the word nigga and Transformers Megatron. This portrays the black male who appears real and genuine on the outside, but really, is a bastard who doesn't care for anyone else and is heartless and soulless, rather like a robot.
Girl: "Why's he being like this?! He's so mean, so cold to me, I don't get it"
Girls' friend: "Because he's punk arse bitch. Damn Nigatron"
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