It is the white flakes that are located in someones eyebrows. The flakes have been know to fall in a person's eyes and cause blindness.
Buttaman: Yo homie, what's that on your face?

Luther: Don't know what you talking about pimpin.

Buttaman: Man you got some eyebrow dandruff, bad.
by Julio Rumundo June 13, 2008
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