jack diddley
a guy who looks like he just stepped out of a 1980s movie and has a punchline that only works if you're high.
He showed up with a mullet and a bad punchline. That's jack diddley.
He said he was going to beat me up. Then he said he had a headache. That's jack diddley.
He tried to start a band. Then he tried to start a nap. That's jack diddley.