開腦洞 Save Sign in to save words Simplified: 开脑洞 kāinǎodòng ㄎㄞ ㄋㄠˇ ㄉㄨㄥˋ to blow people's minds with highly imaginative, bizarre ideas Character by character 開(kāi)open 腦(nǎo)brain 洞(dòng)cave A Chinese word or character, or English Search Sources CC-CEDICT, CC BY-SA 4.0 pinyinjs, Apache-2.0