emoticon UK /ɪˈməʊtɪˌkɒn/US /ɪˈmoʊtəˌkɑn/ noun3 •A graphical representation of a particular emotion of the writer, used especially in SMS, email, or other electronic communication. •A graphic made up of text characters to represent such emotion; a smiley.A remark intended humorously is often indicated by the letter G in parentheses, for "grin," or by a sideways happy face built from punctuation marks. Such symbols are known as emoticons. — 1992 •An image or graphic icon used to represent such emotions; an emoji. formsemoticons