Zac headbanging to Metallica. Posted by Charlie on October 2, 2010 | Filed under: Bad Dad Jokes Zac headbanging to Metallica. Related posts:Hopefully you don't HIT THE CEILING over today's Bad Dad Joke…April 14, 2024Here's the joke that made my own kid groan.July 18, 2026I hope you enjoy today's Bad Dad Joke as much as watching someone slip on a banana peel!April 10, 2024