n. [ For Jack o' (= of) apes; prop., a man who exhibits apes. ] [ Written also jackanape. ] [ 1913 Webster ]
1. A monkey; an ape. Shak. [ 1913 Webster ]
2. A coxcomb; an impertinent or conceited fellow. [ 1913 Webster ]
A young upstart jackanapes. Arbuthnot. [ 1913 Webster ]