Knock Knock - Dennis

Knock Knock
Who's there?
Dennis!
Dennis who? 
Dennis says I need to have a tooth out!

The Hooker and Her Gramma

There was a hooker with a bunch of other hookers. The police came, and said for all of the girls to line up.
The hooker's gramma came and said, "Why are all of you girls lined up?"
The girl didn't want her gramma to know what she did for a living so the girl said, "We're lined up to buy oranges"
The police talked to every girl individually, and when they got to gramma the police said, "How do you do it, you're so old?!?"
Gramma says, "It's easy, just peel it down and suck it dry!"

Meeting Plato

In a classroom pupils were asked to always write in silence. One day the teacher dozed off and was awakened by some of the pupils making noise. To cover her embarrassment she said, "It was always my wish to meet the scholar Plato and, a while ago, I did see him in my dream." The next day a pupil dozed off while listening to the teacher's long lecture. Upon seeing the sleeping child, the teacher woke him up and rebuked him. "Why are you sleeping during the lecture?" The pupil answered, "I also went to see the scholar Plato." The teacher asked, "And what did Plato say?" to which the pupil replied, "Plato said he did not meet with you yesterday."