Name used in online gaming, particular MMORPGs, refering to players who do not enjoy PvP or RPK. Playing style prefers to play nice, enjoys fighting Mobs, and doing other non-pvp related things, such as tradeskills like cooking (ie, baking cakes or fishing, etc.). Usually picked on by rpk'ers. Not very skilled in player versus player fighting.
by [LK]Myrik December 14, 2004

From online games, deriving from "Player Killing". A PKer is one who kills other players for the enjoyment of killing them or causing them grief. See also RPK or RPKer.
by [LK]Myrik December 10, 2004

Short for a "Mobile Object". The term commonly used in MUDs and MMORPGs. Denotes a non-playable character that is usually attackable and often a monster of some sort.
Those mobs were bugged, they just stood there while I beat them with my toon's sword, did you see that?
by [LK]Myrik December 14, 2004
