Reform (verb) - subject to a catalytic process in which straight-chain molecules are converted to branched forms for use in gasoline.
Obviously, AS was stating that he is such a master of sarcasm, that simply calling his sense of sarcasm "refined" wasn't a strong enough statement. While mere mortals such as you and I can play at sarcasm, AS has himself undergone a process, which has reformed his entire sense of humor to the point that the rest of us can barely hope to keep up.
