Joke

This boy was in school one day when he became desparate to go to the bathroom. So he asked the teacher, "May I use the bathroom?"

The teacher replied, "No, not unless you say your alphabet."

So the boy said "a b c d e f g h i j k l m n o q r s t u v w x y z."

When he finished, the teacher asked him, "Where's the p?"

The boy replied, "Half way down my leg..."