Me: What did the twin say to the other twin?
Friend: I don't know.
Me: I'll fall with you.
Me: What did the twin say to the other twin?
Friend: I don't know.
Me: I'll fall with you.
Hey, listen up buttercup. The joke is dark because it references the Twin Towers falling. Like, two twins, Twin Towers... get it? It's funny because it's unexpected and a little bit messed up, kinda like your search history.