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1.
A sickness in which the afflicted has difficulty identifying a famous black person or confuses any given famous black person with another famous black person.
Lyle: Name me a movie starring Samuel L. Jackson.

Meryl: Lethal Weapon?

Lyle: I think that was Danny Glover...

Meryl: The Shawshank Redemption?

Allen: Girl, you got a bad case of Blackheimer's Disease!
by Darth Unchi September 04, 2010