Chinese curse word meaning

What Does 神经病 (shen jing bing) Mean in Chinese?

神经病 literally means "mental illness". In real use, it means A rude insult meaning someone is acting crazy or unreasonable.

When is it used?

Offensive because it uses mental illness as an insult. Understand it for context, but do not repeat it casually.

How risky is it?

This entry is rated 3/5. The goal is to understand subtitles, comments, and real conversation risk, not to encourage harassment or threats.

Safer alternative

Use "That is unreasonable." if you want to express the idea without escalating the situation.