look up any word, like fleek:
 
1.
Acronym for "Massively Multiplayer Online First Person Shooter".

Most support a large number of players in 1 server.

See also pwned

Some examples are: Planetside, World War II Online and Battlefield 1942. Many have a monthly subscription cost to pay for server access.

Similar to MMORPG's, these games differ only in that you usually can see ahead in First Person and can fire some sort of projectile weapon, thus "killing" your opponent.
"Are there any new MMOFPS coming out this month?"
by CmdrAwesome December 29, 2004