A sexual senario, its background pertaining to the fact that the african american comedian Bill Cosby used to advertise jello. "A Cosby" is where a girl sucks a man's dick, with jello in her mouth as well.
BloodMatrix is a graphic design guru, web design extrordinaire, etc. He resides in California, USA. His reputation for outstanding web-design abilities is well known among his online hangouts and has spread exponentially.
His site is www.bloodmatrix.net