名詞 jackanapes:

1. someone who is unimportant but cheeky and presumptuous
   同義詞：whippersnapper, lightweight

1. Come here, you young jackanapes!
   過來，你這個小淘氣鬼！

jack.a.napes

n.（名詞）
A conceited or impudent person.
自大而魯莽的人
A mischievous child.
頑皮的孩子
Archaic A monkey or an ape.
【古語】 猴子，猿

來源：
From Middle English Jack Napis [nickname of William de la Pole, Fourth Earl and First Duke of Suffolk (39'-450)]
源自 中古英語 Jack Napis [薩?？艘坏裙艉退牡炔簦さ隆だげ_的綽號]