Meanings
fire at will!
Entsichern! Feuer frei!Release safety! Fire at will!
humorousyou have permission to light up and smoke
So, Männer, kurze Pause, Gepäck ablegen, Feuer frei!Okay, men, short break, baggage off, permission to smoke!
fire away! (start talking, especially asking)
Gut, haben Sie noch Fragen? Bitte, Feuer frei!All right, any further questions? Please, fire away!