A word used among pilots that refers situations in which weather conditions are poor, forcing the pilot(s) to fly low enough to see the terrain.

"if its too nasty to go ifr we'll go vfr"

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.