do a slow burn

do a slow burn

To experience a feeling of anger that slowly worsens. Because I knew I would sound defensive if I said anything during the critique, I did a slow burn instead.
See also: burn, slow
Farlex Dictionary of Idioms.

do a slow ˈburn

(American English, informal) slowly get angry: It makes me do a slow burn when it takes longer to check out at the grocery store than it took to shop. OPPOSITE: fly into a rage, temper, etc.
See also: burn, slow
Farlex Partner Idioms Dictionary

do a slow burn

tv. to be quietly angry. (see also slow burn.) I did a slow burn while I was getting my money back.
See also: burn, slow
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions
See also:
  • burn up the road
  • go for the burn
  • express (one's) anger
  • express anger
  • burn with
  • burn with (something)
  • burn in
  • bristle with anger
  • flare up
  • slow burn