Takram

Nice list. Here are a few others that I didn't see listed.
FYI-for your information
[censored]-f**ked up beyond all recognition
PITA-pain in the a*s
OTM-on to me (follow me)
KS-kill steal (you had kill steal listed)
Nerf-to lessen in usefulness or power
BYG-bring your own group (not really used much, from EQ)
Mez-sleep (from EQ also , but I seen it used in CoH)