Joke format jokes

Knock knock. Who's there? Broken pencil. Broken pencil who? Never mind, it was pointless!

Yo mama so fat that she needs two watches for two different time zones.

Why did the chicken cross the road? To get to the idiot's house.

Knock, knock. Who's there? Chicken.

Knock knock. Who's there? Well, I will tell you who's not there: my dad.

When does a joke become a dad joke?

When it leaves and never comes back.

What do you call a joke without a punchline?

What is the similarity between a joke and food?

Some people just don't get them!

I forgot the joke.

James: I have a joke. Sex!

Ronny: I don't get it.

James: Exactly.