A phrase, in which the speaker calls out "Opposite Negro Persons name GO!"
The person, then has a short period of time to shout out something which is the opposite of what a black person would stereotypically say or do.
Alex - "OPPOSITE NEGRO JAKE GO!"
Jake - "AAHHH OH GOD.. Err.. I DO NOT LIKE WATERMELON"
Jake - "OPPOSITE NEGRO ALEX GO GO GOOO!"
Alex - "I HAVE A DEGREE OR AN EQUIVALENT QUALIFICATION"