Lavervira

Large scary purple ninja with ability to seek out and vanquish scammers and potty mouths wherever they may be

a scammer may be stealthily ripping some poor noob off, and in a flash the "Lavervira" will have detected and mercilessly punished the offender.

Sonu

A name given to someone who leaves team-mates to die to get ahead in a game.

He pulled a Sonu, his friends got stuck in a fight while he sonu`d his way to the safehouse.

Sonu'd

To be left behind while your friend/team-mate runs off to safety

OMG, he ran off and left me to fight the zombies alone, i`ve been sonu'd!!