Definition of curl one's lip
- She curled her lip when his name was mentioned.
- Her lip curled in disgust.
: either of two fleshy folds that surround the mouth in humans and many other vertebrates and are organs of human speech essential to certain articulations
: back talk
: a fleshy edge or margin (as of a wound)
: produced with the participation of the lips : labial
: to touch with the lips
: to lap against : lick
: fat : fatty tissue : fatty
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