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.
matey: ere m8 you comin dan the club
matey2: nar m8 cba
matey: fair nuff m8
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.
"Yeah, it's due tomorrow morning, but I'vegot the cba."
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.
Look. Someone added a sixty-third entry for blunt. They must have CBA.
When you have to pee in a movie but don’t want to miss anything, and must do the following mental equation: will the amount I have to pee cause enough discomfort to diminish my attention capacity for the remainder of the movie to an extent which is greater than the amount of the movie I would miss by making a mad dash to the restroom.
I saw Satantango last night, wonderful film but by the 5th hour I had to start doing pee calculus.
Short-hand for the word floccinaucinihilipilification, meaning the estimation of something as valueless (encountered mainly as an example of one of the longest words in the English language).