jackanapes

A conceited or impudent person.

A mischievous child.

A monkey or an ape.

A monkey; an ape.

Hence A coxcomb; a ridiculous, impertinent fellow.

In mining, the small guide-pulleys of a whim.

A monkey; an ape.

A coxcomb; an impertinent or conceited fellow.

A monkey.

An impudent or mischievous person.