Joke

Something that makes someone laugh.

Guy 1: Hey! What type of cheese is all around a castle?
Guy 2: Dunno
Guy 1: Moatzzerella because a moat is around a castle a mozzarella and mix them you get well moatzzerella
That is what a joke is!

Joke

An example

Person1:Wanna joke?
Person2:A joke?
Person1:Yeah.
Person1:A joke
Person2:What's a joke?
Person1:Here's an examp-
Person2:Okay i'm ready
Person1:Knock Knock? Say, Who's there.
Person2:Who's There?
Person1:Interrupting cow! You say interrupting cow who?
Person2:Interrupting co-
Person1:Mooooooooooooo
Person2:Hey I didn't get to finish!
Person1:I know!
Person2: Ohhhhh!