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1 definition by FERRIS CASTLE MUHA

Is the indication of a influencial person or remark that pertains to the equalsness of Bill Cosby intribute to his charcter and demeaner, simply meaning Cosby is, and was cool.
your cosbyness is at a new level

other ways to use the word is "cosby"
that shirt of yours is so cosby
by FERRIS CASTLE MUHA November 28, 2010