Background: A traditional American Joke with a prequel to build up the punchline.

Person1: “Why did the chicken cross the road?”
Person2: “I don’t know, why did the chicken cross the road?”
Person1: “To get to the idiot’s house”

Person1: “Knock-Knock!”
Person2: “Who’s there?”
Person1: “The chicken”

Informant: This is a cruel joke that I was the unfortunate victim of in my youth.

Analysis: As a non-American, this is the first knock-knock joke that I found funny. Knock-knock jokes are usually meant for children and the informant confirmed that they heard about this from their elementary school friend when they were young