(the) shit hits the fan
US /ðə ʃɪt hɪts ðə fæn/
UK /ðə ʃɪt hɪts ðə fæn/

1.
난리가 나다, 큰 문제가 생기다
a situation when a problem or crisis becomes public and causes a lot of trouble or anger
:
•
When the news of the scandal broke, the shit hit the fan.
스캔들 소식이 터지자 난리가 났다.
•
He knew that if his boss found out, the shit would hit the fan.
그는 상사가 알게 되면 난리가 날 것이라는 것을 알았다.