Jackanapes
/ˈdʒækəneɪps/
Definition 1 of 1
Pro Tip 1/3Old-Fashioned Usage
The term 'jackanapes' is not commonly used nowadays and may sound outdated or comical. 
When he called him a jackanapes, the crowd giggled at the old-fashioned term.
Pro Tip 2/3Pejorative Tone
'Jackanapes' has negative implications, suggesting annoying or impudent behavior. 
Don't be such a jackanapes, or people will start avoiding you.
Pro Tip 3/3Literary Context
The word can be seen in classic literature and helps in understanding characters' attitudes. 
In the novel, Sir Arthur called the mischievous boy a jackanapes.