开脑洞

Traditional form:

開腦洞

Pinyin (reading):

kāinǎodòng

Definitions:

• to blow people's minds with highly imaginative, bizarre ideas

Characters:

• 开 - to open; to start, to initiate, to begin
• 脑 - brain
• 洞 - cave, grotto, hole, ravine

Traditional characters:

• 開 - to open; to start, to initiate, to begin
• 腦 - brain
• 洞 - cave, grotto, hole, ravine