An idiot who thinks that everyone else doesn't already know that it's pouring outside. We all have at least seven of these self-proclaimed storm chasers in our Friends List.

A Bloomer is someone with a bright outlook on life who is optimistic in nature. Bloomer's frolic in every opportunity to be happy and try to make the most out of life. The opposite of a Bloomer is a Doomer. The term Bloomer originated specifically as a counter to the Doomer on sites especially like 4Chan.