A Mongolian amateurish private miner (mainly for gold); after the shape of the plastic bowls used to wash metal ore with mercury, roughly resembling one of the Teenage Mutant Ninja Turtles.
Verb
To act in the manner of a ninja, especially in the areas of speed and power.
(online gaming slang) To claim an item in a game by abusing game mechanics, often despite having no real need for the item or ability to use it.
(Internet) To post a response on a message board immediately before someone else unknowingly posts a response saying the same thing.