In RPGs and some MMORPgs, is another word for a character that can be in the forefront of the battle and survive the outcome due to sheer evasiveness rather than high armor and health. An example would be the assassin from the pseudo-MMORPG game "Guild Wars", especially in PvP mode.
"OMG, why duz teh PVP 'Sin not die? teh whole team is attacking him... I h8 ninja tanks
by BinaryEmperor July 21, 2008