"is cool". Most popular within the black metal community. Krieg comes from German, meaning war.
by UnseenForces August 19, 2007
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When a tr00 black metaller calls out to his fellow black metal brethren. If you don't know, then you aren't trve so gtfo
Grim mf: Black metal..

Kvlt mf: Ist krieg!

Similarly, used as a statement, "Black metal ist krieg!"
by VCRISTKRIEG February 24, 2023
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