Guard Systems - Systems entirely controlled by a single faction, usually characterized with easily guarded entrances and exits, a complete lack enemy NPCs or bases, and one or more incredibly strong/important bases for the faction that controls the system. A relic term from a time when factions could just buy systems.
Guard Factions - Copies of factions with hostile reputation to all other factions save very explicit allies, used to lock down Guard Systems. A relic term from the same era as Guard Systems, seeing increased use due to Alaska Security Forces and Detachment 16.
POB - Player Owned Base.
POBoid / BoP - Base Owned Player, derogatory, Slang for base owners who do not interact with other players, or provide minimal roleplay in order to exclusively focus on their Player Owned Base.
Perma/Permaban - Permanent Server Ban.
ERP - lit. "Erotic Roleplay", but often used as a short hand for long roleplay encounters, especially non-aggressive ones.
T# - Tau system shorthand.
{Greek Letter} - Omicron system shorthand.
I'll do something about my superiority complex when I cease to be superior.
"Whatever happened to catchin' a good old-fashioned passionate ass-whoopin and gettin' your shoes, coat, and your hat tooken?"