1.An MMORPG player that compares every aspect of new MMO's to World of Warcraft.

2.Any moron that inappropriately uses MMO or WoW terminology in casual conversation with normal people.

3.The naked toon dancing on the bank/auction counter in World of Warcraft.

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.