ˈjakəˌnāps noun
( -es )
Etymology: Middle English Jack Napis, Jac Napes, nickname for William de la Pole died 1450 4th earl and 1st duke of Suffolk
1. : monkey , ape
2.
a. : an impertinent or conceited fellow : coxcomb
beribboned jackanapes — Frank Yerby
b. : a pert or mischievous child