The 'What's Up? Chicken Butt' meme is a timeless piece of schoolyard wordplay that has transitioned from oral tradition into the digital age. This classic 'gotcha' joke relies on a rhythmic setup where the instigator asks 'What's up?' or 'Guess what?' to lure a victim into responding, only to be met with the nonsensical and slightly absurd punchline: 'Chicken butt.' While its exact origins are lost to the playgrounds of the mid-20th century, the phrase has become a cultural staple of juvenile humor and nostalgia. In the world of internet memes, it is often paired with images of confused chickens or used as a subversion of more serious 'guess what' setups. It remains popular because of its harmless, repetitive nature and the universal experience of being tricked by such a simple verbal trap.