Suicidal Knock-Knock Joke Punches Darkly With Wordplay Twist Ending, You Know?!?!?!!11?!11??!?!?!?!??!?!111oneoneone?!???!

Listen up, dumb dumb. This ain't rocket science. It's a play on words. The last line is supposed to be the name of the person who's knocking. But in this case, it sounds like "Suicide you," implying the listener should off themselves. Get it now, genius?