self inflated meaning the person has the attitude and audacity to convince you they are something special however they are full of Ka Ka. You know the one ,the guy in high school that could play a few bars of ice nine or metalica and everyone bragged that they knew him but looking back he couldn't play dirt didly, but he had the tea shirt, long hair, drug addiction and cool lingo of a "rock" star: woops sorry I'm going off on my 80's rock bashing again.