To make a piece of shit look nice. To spend more on accessories for something than what the something is even worth.
Geek #1: Hey man, check out that Chevy Caprice, pretty nice huh?
Geek #2: Hell no fool, that joint is Niggafy'd! Those rims is worth twice what the car is.
Rida #1: Yo dog, check my new springs and body blocks, tight right?
Rida #2: Fa sho, say bra you really got that thang Niggafy'd proper.