dress down

From analogy with dress up.

• "One night – it was 2.30am – he dressed down a graduate, screaming in her face: “Are you stupid? Are you a fucking stupid cunt?” I had never seen anything like it in a workplace, or on TV, and I haven’t since."
• "Mark Zuckerberg, Jeff Bezos and other tech luminaries have all been dressed down on Capitol Hill by lawmakers upset with their companies."

• dress-down day
• dress-down Friday
• dress up