Best definition
(noun) – A person of white decent who is so uncool that he wants to be like a white guy

(wigger) who is also uncool but is accepted or strives to be in the presence of black people.

decent white person: Who is the white guy staring at the rims of that $500.00 car with 10,000.00 rims? Is he a wigger?

Other decent white person: No he is a Wannawigger, that car belongs to a Wigger.

Decent white person: Ok, that makes perfect sence.