An act in which one seals his or her mouth around the anus and blows air into the rectum to create a pocket of air in the colon. The unsuspecting participant than expels said air in the form of flatulence.

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.