
Arse about
British Slang
Understand that 'arse about' is casual British slang not to be used in formal situations.

He's always arsing about with his mates instead of studying.
Mildly Vulgar
'Arse about' is mildly vulgar; some may find it offensive. Be cautious with your audience.

I can't watch this movie, let's arse about instead.
Not Literal
It's a metaphorical expression meaning to be unproductive, and does not involve a literal 'arse'.

You cannot just arse about all day and expect to pass the exams.
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