Coke on her black skin
Made a stripe like a zebra, I call that jungle fever
from Kanye West (Ft. Frank Ocean & Jay-Z) – No Church in the Wild Lyrics on Rap Genius
Kanye notes that a line of coke on a black girl looks black and white like the stripes of a zebra (an animal associated with the jungle, though it’s actually a plains animal).

Jungle Fever is a derogatory/colonialist term for sexual attraction between blacks and whites. Kanye twists it around here, draining it of its hurtful racist connotations by instead making it about black-on-black attraction, mediated by (white) cocaine.
All this may be a response to recent criticism that Kanye no longer dates black women.
Also, note the zebralike poster for the namesake film that this line references.

More appropriate to the lyric is the 1992 Anthony Drazan film Zebrahead, which portrays, as the lyric states, a romance between a white man and a black woman. See also Something New.
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