can't be arsed. used when you really cant be bothered to do something proposed to you.
also a foolproof excuse to get you out of any social event you really dont want to attend.

Can't Be Arsed. Unwilling to expend energy on the task in hand. May be used more generally in reference to the state of mind where nothing at all seems remotely worth doing.

Stands for "Cant Be Arsed". A term used by youth to show lazyness or unwilling need to do a job or task.

A condition affecting amateur wordsmiths who cannot be bothered to see if an entry has already been made to Urban Dictionary before adding nothing new.

Can't be arsed. Too busy/too lazy to do something.