Paul Walker's Tree

Listen up, you chucklehead. You think you're clever, huh? Let's break down this 'joke'. You see, the 'long black tree' sounds like a common slang term for a certain part of the male anatomy. Get it? It's a double entendre, see? Paul Walker and a mouth is the set up to make it sound a bit naughty. You're supposed to be shocked and laugh. You're not laughing? *sigh*