look up any word, like the eiffel tower:
 
4.
the procces of becoming mad gangster
yo that kid is going through negrosis
by joey clarkkkkkkk July 21, 2006
 
1.
The metamorphasis a wigger goes through when they reach the pinnacle of wiggerness.
Jollystylez is yet to go through negrosis.
by ExS July 18, 2003
 
2.
Kind of the same as necrosis, only your skin turns black, your lips get big, and you have a sudden craving for chicken and watermelon... only it still rots you from the inside.
Kid 1:Damn what's up with C.J.

Kid 2: Oh he has Negrosis.

Kid 1: That sucks...
by TheFlyingJew April 22, 2009
 
3.
A condition of an essential bodily organ that occurs when one day it stops working and starts stealing nutrients from all the other organs.
yo I think I got that liver negrosis.
by RoboMastodon August 07, 2009