The teacher was asking the end of the day question that she asks every Friday. If the student got it right they would not have to go to school on Monday. Little Johnny Was determined to answer correctly. So he painted two black marbles black and rolled them to the teachers feet. All of a sudden she Shouted out, "Who's the commedian with the black balls?". Johnny shouted out, "Bill Cosby, see ya on Tuesday suckas!"
