trammy

originating in the mmorpg Ultima Online.
a bastardisation of the word Trammel, which refers to a world ruleset with no pvp, stealing or murdering.
The word Trammy being a derogetary term for someone who supposedly refuses to step out of this ruleset into a pvp enabled one.
can also refer to someone who is bad at pvp play in general
> omfg i just wtfpwned you! roflcopter!! fo home you trammy newb
> jeez you are so tramy