Commonly used
British expletive, some examples of its use:
"Oh Arse!" - I'm very disappointed.
"Get your arse in gear" - Hurry up.
"Look at he arse on that" - I like his/her bottom.
"You complete arse" - Sir, you are a fool.
"
can't be arsed" -
can also freely replace
ass in any American phase
"Arsehole" - I take serious exception to you very existence
Also one of the great catchphases of Father Jack Hackett from the UK comedy series
Father Ted. To be done properly it shouted in the manner of a drunken old Irish man. Incidently, his other catchphases are
Drink!,
Feck! and
Girls!