The Japanese name for the Pokemon named Mewtwoo in English.  This name has been converted to also mean an extreme lover of Pokemon.
by Illies March 21, 2007
 Get the Myuutsuumug.
Get the Myuutsuumug. by Woosh June 1, 2004
 Get the Myuutsuumug.
Get the Myuutsuumug. A really nice Pokémon loving guy who also plays FFXI and is on the internet alot. He's very nice, although alot of people are jealous of his sexiness and make fun of him.
by Mewten May 31, 2004
 Get the Myuutsuumug.
Get the Myuutsuumug. 