吃枪药

像吃枪药

Literally means:

eat the gunpowder

Actually means:

be ill-tempered, being unreasonable

枪药 is the gunpowder inside the chamber of the old-fashioned guns.

It is used to describe someone who flies into a temper easily (as if the gunpowder explodes).

It is also used to describe the state of being unreasonable. The phrase suggests disapproval of such behavior.

枪药，指火枪（旧式的枪）用的弹药（火药和铁砂，相当于子弹）。

比喻某个人因为脾气不好或者正在生气，说话不好听。有时也比喻不讲道理。这种行为容易引起别人的不满或愤怒，说话人常用这个短语的问句形式表达自己的这种情绪。具有贬义色彩。