when a guy picks up two girls at a club and does it doggystyle with one while the one he is fucking has a strapon banging the other or eating the other girls pussy out and then the two girls switch.

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.