[adjective] [UK] [informal] - be arsed If you cannot be arsed to do something, you do not want to make the effort to do it.I can't be arsed to go shopping this afternoon. [+ to infinitive]Can you really be arsed to paint the whole wall? [+ to infinitive]"Why haven't you done the washing-up?" "I couldn't be arsed."I couldn't be arsed walking home. [+ verb-ing]
ARSED
Meaning of ARSED in English
Cambridge English vocab. Кембриджский английский словарь. 2012