S: (n) emoticon (a representation of a facial expression (as a smile or frown) created by typing a sequence of characters in sending email) ":-( and :-) are emoticons"
S: (n) gape (an expression of openmouthed astonishment)
S: (n) grimace, face (a contorted facial expression) "she made a grimace at the prospect"
S: (v) grimace, make a face, pull a face (contort the face to indicate a certain mental or emotional state) "He grimaced when he saw the amount of homework he had to do"