Roses Are Red, You Know de Way

Alright listen up, nimrod. This here joke is banking on the "do you know the way" meme, which was popular back in the day and associated with a very specific and very annoying sound. The punchline tries to be funny by abruptly switching from a typical poem structure to this meme reference. Given that you thought this was humorous, I am not at all surprised you never found the way.