a pain in the neck

pain in the neck

An especially irritating, aggravating, or obnoxious person, thing, or situation. You know, Jack, you may be my friend, but you can be a real pain in the neck sometimes! This calculus homework is a pain in the neck. It's not that I don't understand it, it's just so tedious!
See also: neck, pain
Farlex Dictionary of Idioms.

a pain in the neck

INFORMAL
COMMON If someone or something is a pain in the neck, they are very annoying. He was a pain in the neck. I was glad when he left my department. `Sorry,' he said. `They've forgotten to insure the plane. It's a pain in the neck, but what can I do?'
See also: neck, pain
Collins COBUILD Idioms Dictionary, 3rd ed.

a pain in the neck

an annoying or tedious person or thing. informal
There are a number of vulgar slang alternatives to neck in this idiom, such as a pain in the arse or, in the USA, ass .
See also: neck, pain
Farlex Partner Idioms Dictionary

a pain in the ˈneck

(British English also a pain in the ˈarsetaboo/ˈbum/ˈbackside) (American English also a pain in the ˈasstaboo/ˈbutt) (informal) a person or thing that you find annoying: Her new boyfriend is a real pain in the neck — he never stops talking.
See also: neck, pain
Farlex Partner Idioms Dictionary

pain in the neck, a

A nuisance. This term replaced the earlier pain in the stomach about the turn of the twentieth century; both are euphemisms for a pain in the posterior—pain in the butt, pain in the ass. Rolling Stone (April 7, 1977) had it: “It was an increasing pain in the ass to do the same material each night.”
See also: pain
The Dictionary of Clichés by Christine Ammer
See also:
  • pain in the butt
  • pain in the neck
  • pain in the neck, a
  • pain in the rear
  • pain-in-the-butt
  • pain-in-the-neck
  • pain-in-the-rear