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. © 2015 Farlex, Inc, all rights reserved.

pain in the butt

verb
See also: butt, pain
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.
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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.