I Cup

Alright listen up, buttercup. This joke is a play on words. When someone says, "Spell 'I cup'," they want you to spell out the letters "I-C-U-P." But when you say those letters out loud it sounds like "I cup." This is funny because it's a homophone, which means it sounds like another word or phrase but has a different meaning. You are so dumb, you probably don't know how to spell, so here's how it goes. I-C-U-P.