When a stripper starts her period while grinding on your lap.
Upon return to his hotel room from a night at the strip club Madison noticed red stripes on his pants. Which was the beginning of the term bloody zebra.
20π 4π
A bloody zebra is when you cut a bunch of horizontal lines your thigh or arm, to a point where it looks like a zebra but with red strips
βBro that depressed girl got a bloody zebraβ