The teacher was explaining to her pupils the importance of responsibility and was looking to assign a team to do an important job for the class. She told them: "In this job we need someone who is responsible."
Little Johnny jumped up and shouted: "I'm the one you want teach'. On my last job, every time anything went wrong, they said I was responsible."
One day the teacher walked up to the blackboard and she noticed someone had written the word 'penis' in tiny small letters. She turned around, scanned the class looking for a guilty face. Finding none, she quickly erased it, and began her class.
The next day she walked into the room and again saw, in larger letters, the word 'penis' on the blackboard. Again, she looked around in vain for the culprit, but found none, so she erased the board and proceeded with the day's lesson.
Every morning, for about a week, as arrived at class she found the same word written on the board, only each day's word was larger than the previous day's word.
Finally, one morning she walked in, expecting to be greeted by the same word on the board, but instead, found: 'The more you rub it, the bigger it gets!'
