Best definition
ZETA Clan
A Call of Duty Clan founded by Mr.Physics (youtube)
Usually if someone camps like a bitch and tops the scoreboardpeople will

says he’s from ZETA clan
(to be taken as a compliment)

Usual tryhard gamer – “dude are you fuckin serious …this bitch camped for like the entire match …go and play GTA with the other ZETA clan members and stop playing cod”