Jack Blacking it
The most annoying, hairy, chubbiest guy who thinks he's a rock star. He's the reason your parents still listen to Tenacious D.
That guy at the gym who flexes while singing 'The Pickle Song' is the Jack Black of the weights room.
My uncle is the Jack Black of our family. He sings in the shower and eats cereal for dinner.
The fat dude in the music video who thinks he's a rock god is the Jack Black.