1 definition by Dr. Peter M. Carlson

Top Definition
The act of a biracial individual (half black, half white) transforming into their pure negro form to do acts that a white person wouldn't be capable of.
Lisa stole Angie's shoes, so she had to blacktivate to steal them back.

In order to beat down the ass of the ho that stole her man, Anne had to blacktivate.

Allison never truly appeciated Tyler Perry's House of Payne until she blacktivated prior to viewing it.
by Dr. Peter M. Carlson September 14, 2008

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