To be upset with someone or something.
"He's got the real arse ache with me today. Just 'coz I turned up late!"
1. Something that causes consternation.
2. A difficult, annoying or time consuming task.
3. To experience the sensation of pain in one's rectum.
1. Old people in supermarkets are a real arse ache.
2. Putting up that tent is going to be an absolute arse ache.
3. I didn't crap for a week and now I have a major arse ache.