1 definition by Cefka

Top Definition
When out of pain or shock, your face contorts to the trademark features of Bill Cosby.
"Yeh man! When I kicked him in the balls, he totally cosby faced!"

At 5:36 of "Heavy Metal - Taarna - Loc Nar - (HQ) Part 1 " on youtube.com, you can see the kid CLEARLY is cosby facing.
by Cefka December 02, 2009

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