A Nega is an abbreviation of- a Nepali N*gga but is totally unrelated in a proper meaning semse, it is same as calling someone bro or more modern examples like twin, gng. It holds the same meaning except it's only used on close friends.
The Nega Chin is the anti-Crimson Chin from the Fairly Odd Parents. His character suit is black. This can also be related to the Nigga Chin, as the Nega Chin has a strong ass chin.
1. a villain in Scott Pilgrim
2. an annoying user on xat with ID ShangDynasty who sexually god mods and is obsessed with sex, unknown why he has friends.