the shit hit the fan when her husband found out about her exorbitant expenditures
when discovery of an inopportune incident, usually pertinent to personal misconduct, indiscretion, dereliction or impropriety is made, that provokes outrage toward and/or has seriously negative consequences for the perpetrator(s)
"the shit hit the fan when her husband found out about her exorbitant expenditures" What is the definition of "the shit hit the fan"?