jackanapes — ODE

jackanapes /ˈdʒakəneɪps

▸ noun

(plural jackanapes)

1 dated a cheeky or impertinent person:

I think people are tired of these jackanapes.

2 archaic a tame monkey:

he finds Sir Robert alone except for his pet jackanapes.

– ORIGIN early 16th century (originally as Jack Napes): perhaps from a playful name for a tame ape, the initial n- by elision of an ape (compare with newt), and the final -s as in surnames such as Hobbes: applied to a person whose behaviour resembled that of an ape.