Mix of "nigga" and "aite - (alright)". Denotes a sudden outburst of emotions in a comical event starring an african american clinging on the floor while being dragged to the gas room. A racialist word, not racist, because it associates their diction with a racial slur.
Jamaal: Y'all finish y'all homework?
L: ChiKi ChiKi Nigaaayt!