human excrement; night soil (human manure traditionally used as agricultural fertilizer)

to turn over manure; fig. to offend others by endlessly repeating unpleasant remarks

to talk crap; to be full of shit

to taste a patient's excrement (a form of medical examination, seen as an act of loyalty or filial piety); to suck up to sb; to kiss ass

muckraking; to stir up scandal; to expose (corruption)