(the) shit hits the fan

(the) shit hits the fan

rude slang Things become suddenly very chaotic, disastrous, difficult, or controversial. The company has been trying to distance itself from the outspoken director before he says something horribly offensive and the shit really hits the fan. I know you think your job is secure, but you should always be prepared in case shit ever hits the fan. He seems qualified on paper, but how do you think he'll perform under pressure when the shit hits the fan?
See also: fan, hit, shit
Farlex Dictionary of Idioms.

when the shit hits the fan

Sl. when all the expected trouble materializes. When the shit hits the fan, you had better be prepared to support those of us who are involved in this mess.
See also: fan, hit, shit
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.

the shit hits the fan

INFORMAL, VERY RUDE
If the shit hits the fan, serious trouble suddenly starts. If I was them, I'd be planning to pull out before the shit hits the fan. Then Gene heard about the matter and the shit really hit the fan. Note: People sometimes replace shit with a less offensive word. Tom visited us in Canada shortly before the stuff hit the fan.
See also: fan, hit, shit
Collins COBUILD Idioms Dictionary, 3rd ed.

when the shit hits the fan

when a situation becomes critical; when the disastrous consequences of something become public.
See also: fan, hit, shit
Farlex Partner Idioms Dictionary

(when) the ˌshit hits the ˈfan

(taboo, slang) (when) somebody in authority finds out about something bad or wrong that somebody has done: When the committee finds out what actually happened, the shit will really hit the fan.
See also: fan, hit, shit
Farlex Partner Idioms Dictionary

when the shit hits the fan

tv. when all the expected trouble materializes. (Usually objectionable.) When the shit hits the fan, you had better be prepared to support those of us who are involved in this mess. We had one hell of an afternoon around here. Where were you when the shit hit the fan?
See also: fan, hit, shit
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions

when the shit hits the fan

When the situation goes awry; when trouble starts.
See also: fan, hit, shit
American Heritage® Dictionary of the English Language, Fifth Edition.
See also:
  • shitshow
  • after a storm comes a calm
  • after the storm comes a calm
  • calm
  • go on a wild goose chase
  • send (one) on a wild goose chase
  • send on a wild-goose chase
  • all hell breaks/is let loose