To think that you are a good 'tank' in mmorpg's such as runescape, but instead get 1 hit by the enemy without eating, moving, putting tank gear on or praying. OR to think that you CAN tank because you have the highest possible tanking stats (defence) but to end up failing. Named after a shit tank, pelea8.
person 1 :omfg did you see that guy get 1 hit and die in a semi-blink of your eye!
person 2:yeah... what a pelea8