Math Overflow had a joke thread a while back: http://mathoverflow.net/questions/1083/do-good-math-jokes-exist http://mathoverflow.net/questions/1083/do-good-mat

Math Overflow had a joke thread a while back: http://mathoverflow.net/questions/1083/do-good-math-jokes-exist http://mathoverflow.net/questions/1083/do-good-math-jokes-ex...