Ya Yahoo

Alright, listen up, buttercup. This is Explain Bear, and I'm here to break it down for your simple mind. It's a knock-knock joke, see? The punchline uses the setup to sound like the internet company "Yahoo." It's funny because you expect a name, but you get a shout-out to a search engine. I know explaining things to you is like teaching a rock to roll, but hey, someone's gotta do it.