a dumb elf, as coined in the movie "Elf"

A bafoon; someone who makes a simple mistake or falls for a childish gesture. A fool of sorts.

Reference to the movie "Elf"

meaning; annoyance, party pooper

A silly way to tell someone they are being petty, or of slight annoyance

In the ways of the elf, an impolite, rude, insulting term to describe someone rebellious, or with bad behavior