a pedophile so sneaky and discreet, you never see him coming or going.
he hides in the shadows, attacks, and leaves before you can even say "doughnut."

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.