An "Insult" often used by non-whites to whites meants to offend, but white people don't really care. People think that making us go back to owning people and land will offend us, but it really just doesn't. Often considered the opposite of "nigga".
WHite guy :Hi I'm white.
Black Guy : You's a cracka, nigga.
White guy: No, I don't own people, nor land. Now I'm sad about it, and going to go cry.
Black guy: Ok, have fun.
WHite guy: Love you too nigga.
Black Guy: *shoots*