A sneer is defined by the raising or curling of this
OrIgInal defInITIOn: to snort, as a horse or dog new defInITIOn: curl one's lip to ... 
ogle, leer, look daggers at; wink, raise one's eyebrows, frown, scowl, pout, moue,
... [DOC] [TLE] Curl | Definition of Curl by Merriam-Webster [PAR] Define curl: to twist or form (something) into a round or curved shape  curl in a 
sentence.