They could be a auto-hitter that no matter what happens their attack inevitably hits you.
They could be a god-moder that can take anything and keep on coming, or have some unimaginable powers that where given to them by all their 'gods' of the universe.
Power-playing is in essence the same as god-moding where people fight and are able to do anything they wish without so much as trying.
Cont. breaking, people who leave a continuity due to fear of their characters death or serious harm, poofing out of a fight, or using a excuse to get out of the fight.
Post-and-Run RPing is where you come up, attack some person, then run away from the continuity.
Netspeaking (Optional) using anoying netspeak (IE: u,ur,iz,omg,rofl).
There are two major theories about the origin of this word, both of which probably have elements of truth to them.
a) Twink comes from an acronym T.W.I.N.K. "Teenage, White, Into No Kink."
b) Twink is a shortening of the name for the famous "TWINKIE" snack cake: a tasty, cream-filled snack with no nutritional value. The phallic shape of the "TWINKIE" snack cake should not escape the reader's attention.
Often also being naïve, and cute, with nothing upstairs.
The gay equivalent of the mainstream `chick'.