moue

/mo͞o/
noun

1. a pouting expression used to convey annoyance or distaste

“Depends on whether Arthur’s dyspeptic this morning, I should reckon. If he’s made a good breakfast, the lad might get off with a whipping. But happen he’s costive or flatulent” — she made a moue of distaste — ” the boy’ll lose an ear or a hand most like.”

– Diana Gabaldon, Outlander