Denim on Denim

Extremely high fashion. Duh.

“She’s wearing denim on denim. She has style. That’s what we call fashion. Take note”

Denim Denim Denim

The literal type of pants that Mario wears.

Bill: "Hey George, what type of pants does Mario wear?
George: "Fuck! I don't know. Overalls?"
Bill: "Nope, Denim Denim Denim!"