d1. the act of strategically situating one's penis prior to an inevitable erection in order to avoid embarrassment

d2. tucking your flacid dick somewhere not noticeable when you know you're about to get a boner

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.