be arsed Definition

arse
ass (slang)
noun arses, asses

1. The buttocks.
2. Someone who is held in great contempt.
3. A woman, especially when she is considered in terms of her sexual availability, willingness or competence

Example: Check out that tasty piece of arse!
4. Sexual intercourse or gratification.


Example: He's a bit of a wild-arse

verb

arsed, arsing
1. To behave in a stupid, irritating way.

Form: arse about (also)
Form: arse around

Derivative: arsed
adj

Note: in compounds
Having buttocks of a specified kind.
Example: fat-arsed
Example: big-arsed

Idiom: be arsed

Note: usually with negatives and in questions
To take the trouble; to feel up to or motivated to doing something.
Example: I can't be arsed going out

Idiom: get one's arse in gear

To become motivated to start doing something.
Example: so hungover I couldn't get my arse in gear all day

Idiom: my arse!

An exclamation expressing utter disbelief
Example: You're saying it only cost 20 quid? My arse!

Etymology: Anglo-Saxon ears. Many of the compounds of this word are of American origin and have been adopted with the American spelling ass and are, therefore, given under that spelling rather than here.