Some of these have already been mentioned, but thought maybe i'd add a name and description:
Reformed - Someone who had a bad past inside SmG but has changed their ways and is a good lil member now
Forever, Lifetime or Loyal one - For the loyal ones who've been here since it all began (10 Year award) (Before you kill me, i know the community has been around for longer but yeah)
Mentioned by @
SmG Nukem @
AnaRCHy
defibrillator - The person that can revive anything eventhough you thought it was dead (in regards to a game, chat or saying etc)
First mile - 1 Year down, many more to go (1 Year award for active members)
Toxic - You'll understand once you game with me (for those toxic gamers of the community, not for toxic members in chat
)
Mentioned by @"Nanii"
Insomniac - sleep was never an option (For those members who you see all the time or are always up at stupid times throughout the night)
Will add more if i think of anything else