The niggest of all niggers. When you call someone Jigar Nigger, you're saying theres no one in this world that has more nigger in them than the jiggest of the niggers. Hence, Jigar Nigar.
Guy #1: Omg! Look at how black that guy is!
Nigger #1: DAAAAYYMMMM that guy must be the Jigar Nigger.
Jigar Nigger: I R THE NIGGEST.
Nigger #1: You are definitely the Jiggest of the Niggest bro.