Here's the list of common Runescape words:

Chat Type
Lol- The most common, it means laugh out loud.
Lumby/Lummy- Lumbridge, a town of Runescape.
Scimmy- A scimitar.
Long- A longbow or a longsword.
Rofl- Rolling on the floor laughing.
Noob/Newb- A newcomer to Runescape
Froob- High player noob acting like a noob. (we get froob and choob mixed up)
Ya- Yeah
Cuz- Because
Y?- Why?
Cmon- come on
Abby- Abbysal
Skele- A skeleton.
Whip- abbysal whip
Phat- A partyhat (rare hat gotten from a Christmas Cracker)
Santa- A Santa Hat (rare drop dropped on Christmas 2005)
Omg- Oh my gosh.
Jmod- Jagex Moderator
Pmod- Player Moderator
Fmod- Forum Moderator
Runescape-Related Words
Jagex Moderator- A staff member of Jagex who moderates the game. Jagex Moderators have gold crowns in-game (see Player Moderator and Forum Moderator).
Forum Moderator- A player selected by Jagex to moderate the Runescape Forums. Forum Moderators do not receive any benefits and are hand-picked players. Forum Moderators can lock threads in the forums.




More words to be added soon!