Meaning of the word "A pain in the neck" in English

What does "A pain in the neck" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

A pain in the neck

US /ə peɪn ɪn ðə nɛk/
UK /ə peɪn ɪn ðə nɛk/

Idiom

someone or something that is very annoying or troublesome

Example:
My little brother can be a pain in the neck sometimes.
This paperwork is such a pain in the neck.