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n. A term meaning obtaining a weapon or ability that is so powerful that it renders the user nearly invincible. Usually used to refer to an item in a video game obtained via discovering a secret or, more often cheating.

From a 1980's commercial for the GameGenie, a cheating device to be used in conjunction with the Nintendo Entertainment System, wherein one of the boys using it claims he is going to "get radical firepower"
Beating this boss is easy when you've got radical firepower!
by CanisMinor December 01, 2014
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