1 definition by BlackOneIsFun

Black One! is a game generally played by Caucasians and Asians in which participants punch each other in the arm upon first sight of an African American while calling out "black one!" in reference to their skin. Additionally, players may keep track of how many punches they have given or received to determine a winner over a select time period.
Upon arrival to the homeless shelter, Julie and John played Black One! at the sight of any African Americans. Her arm
was sore by the end of the day due to the high population of African Americans at homeless shelters.
by BlackOneIsFun July 7, 2011
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