When a woman takes her forefinger and thumb and inserts them in her vagina while simultaneously queefing, creating a whistling sound. The queistle can be performed either vertically or, in case of a cavernous vagina, vertically.

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.