- Home
- Idioms
- pain-in-the-butt
pain-in-the-butt
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.