arse about
The wrong way round; exactly opposite to that which is desirable; contrary;…The wrong way round; exactly opposite to that which is desirable; contrary; conceptually inverted; wrong.
Meaning
1 senses(Commonwealth, Ireland, UK, not comparable, slang, vulgar)The wrong way round; exactly opposite to that which is desirable; contrary; conceptually inverted; wrong.
You've got this arse-about!
Dictionary text adapted from Wiktionary (Wiktionary contributors, CC BY-SA 4.0) and Open English WordNet / Princeton WordNet (CC BY 4.0, WordNet License); shared under CC BY-SA 4.0. Example sentences and recordings are credited where they appear.