A catch phrase used to describe a reckless, careless, or self-centered way of thinking and acting as demonstrated by many individuals from Generation Ygeneration y (millennials, born between 1976 - 1995) also known as the "Me Generation".
A play on the phrase 'is so hot right now', but is used to explain how cool you think you are by associating yourself with someone or something else that is really cool. This is normally said by dumb model chicks and over the top metrosexual men