That's because the N in nigger stands for "niggers are fucking retarded". The I in nigger stands for "isn't that a retarded fucking nigger". The G in nigger stands for "good god, niggers are fucking retarded". The other G in nigger stands for "great scott, that nigger is fucking retarded". The E in nigger stands for "every nigger is fucking retarded". Lastly, the R in nigger stands for "really, every nigger is fucking retarded".