Top Definition
A weapon from the Culture series of sci-fi novels by Iain M. Banks. Taps the "grid", which is a dimension of energy between hyperspace and next universe, to submerge areas in realspace into massive amounts of energy.
Gridfire: When you absolutely, positively have to kill every last motherfucker in a 50 light-year radius.
by MISTER OWNINATOR March 01, 2007
5 Words related to gridfire

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