Top definition
1)A term used in MMORPG's, meaning the best tank in a massive group who is questing. There responsealbilitys includes building aggro and taking dmg.

2)V: a term using when doing well or dominating in any game.
1)"Bitch I'm main tank i can do whatever i want."

2)"I am main tanking so hard right now. No homo"
by AlfaQup January 06, 2009
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2
Dude, you are such a main tank!
by oldfaithful January 18, 2009
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