A conventional, tedious, or pretentious person who thinks he is up-to-date, aware, interesting, etc (1990s+ Teenagers)
- Cool hand
modifier : these four cool-hand lunatics noun phrase A person not easily disconcerted •Sir Thomas Overbury (d. 1613) wrote that a cool hand is ”one who accounts bashfulness the wickedest thing in the world, and therefore studies impudence” (1600s+)
- Cool hunter
noun 1. (informal) a person who is employed to identify future trends, esp in fashion or the media
[kool-hed-id] /ˈkulˈhɛd ɪd/ adjective 1. not easily excited; calm.
[koo-lij] /ˈku lɪdʒ/ noun 1. Calvin, 1872–1933, 30th president of the U.S. 1923–29. 2. Grace Goodhue, 1879–1957, his wife, U.S. First Lady 1923–29. /ˈkuːlɪdʒ/ noun 1. (John) Calvin. 1872–1933, 30th president of the US (1923–29)