pain-in-the-butt

pain in the butt

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 butt sometimes! This calculus homework is a real pain in the butt. It's not that I don't understand it, it's just so tedious!
See also: butt, pain

pain-in-the-butt

(used before a noun) Very irritating, aggravating, or obnoxious. I've still got a few pain-in-the-butt jobs to do around the ranch before I can call it quits for the day. We're having Mary over for dinner tomorrow night. I just hope her pain-in-the-butt husband doesn't come along as well.
Farlex Dictionary of Idioms.

pain in the butt

verb
See pain in the ass
See also: butt, pain
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions
See also:
  • pain in the butt
  • pain in the neck
  • pain in the neck, a
  • pain in the rear
  • a pain in the neck
  • pain-in-the-neck
  • pain-in-the-rear
References in periodicals archive
I like to think it was an affectionate reference to my sensible, Scottish outlook onlife as opposed to me being a scratchy, old pain-in-the-butt.
If Beyonce's boy, Shorty, is anything to go by, many, many goats will have lost their coats to give them a pain-in-the-butt.
It's no wonder stars behave like pain-in-the-butt prima donnas when there is no one with guts enough to stop them.