delusion squasher

Someone has delusions, of grandeur, of being an artist, of being captain of the universe, etc., then whomever presents reality over and over until the delusion has been eliminated.

Once Oscar realized he wasn't an artist and his video game playing was vastly overrated in his mind, he stopped calling his mother a dream squasher and realized she was a delusion squasher, and that he had to get a real job