We've found 2 phrases for powder (0.116 seconds):

hold your fire »    Do not discharge your weapon. Used originally for weapons needing a spark or lighting of a fuse to ignite gunpowder, now sometimes used to mean any weapon launching a projectile.

take a powder »    To leave in a hurry; run away; scram; depart without taking leave or notifying anyone, often with a connotation of avoiding something unpleasant or shirking responsibility.

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