Joke: Knock knock!
Who's there?
Juno!
Juno who?
Juno who it is!

Joke: If you were french, why would you want a seal?

Joke: One day Tom sees Joe's wife naked sunbathing in their backyard. When Tom sees Joe he brags "I've seen your wife naked."

To get back at him Joe sneaks into Tom's yard the next night and sees his wife performing oral sex. Joe sees Tom a couple of days later and tells him "Guess what? I saw your wife giving you oral a couple of days ago."

Tom laughs and replies "Good try, I wasn't in town a couple of days ago!"

Joke: What happened to the frog's car when it broke down?

Joke: Teacher: If I say 'I am very beautiful', what tense is that in?
Student: It must be past.

Joke: Chemist: You must be exothermic because I'm feeling how hot you are.
Girl: I think you're just endothermic, it's taking all of my energy to just look at you.