It is said either by the person who insulted you, or a by stander who witnessed the insultation.
Can be used quite effectively with others in the "Ultimate Insult" group.
Donald: That's what ya mum said!
Ben: Oooooooh Burn!
Murray: "Marlin? Um...more like mullet. Total marlin vs. mullet confusion. I took a photo of you guys and put it on Facebook. I tagged it #thewrongkindofbigfish."
CBA is a severe form of laziness.
Often comparable to a psychological/medical condition. CBA is most common in teenagers around the age of 16-17 years of age.
Person 2: Nah, I've got a severe case of CBA.
Person 1: What's wrong?
Person 2: I'm suffering from a chronic case of CBA.
Steven: "Hey look, Nyan Cat!"
Joe: "Looks like my deep philosophical musings have been Thought Blocked once again."