To be extremely terrified, often to the point of losing bodily control (such as wetting oneself or soiling oneself); utterly petrified with fear.
他看到那条毒蛇突然蹿出来，吓得屎滚尿流，拔腿就跑
When he saw that venomous snake suddenly dart out, he was scared out of his wits and fled immediately.
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