dress down

verb3

1. •
   To wear casual or informal clothes.
2. •
   To scold.

   • Mark Zuckerberg, Jeff Bezos and other tech luminaries have all been dressed down on Capitol Hill by lawmakers upset with their companies. — 2023
3. •
   To prepare (caught fish) by gutting them, removing the heads and backbones, etc.

   • Dan could bait up trawl or lay his hand on any rope in the dark; and at a pinch, when Uncle Salters had a gurry-sore on his palm, could dress down by sense of touch. — 1897