(one's) mask slips

(one's) mask slips

One's true personality, agenda, or motivation has been revealed, which stands in contrast to what was presented to other people. Her masked slipped for just a moment, and everyone could see the contempt she really held for her audience.
See also: mask, slip
Farlex Dictionary of Idioms.
See also:
  • mask
  • (one's) (true) stripes
  • run out of steam
  • run out of steam, to
  • know where (one) is coming from
  • know where one is coming from
  • know where someone is coming from
  • be in (one's) DNA
  • (from) top to toe
  • recharge your batteries