He had a mania for washing and disinfecting himself… For him the only danger came from the microbes that attacked the body. He had not studied the microbe of conscience which eats into the soul.
Some of the dirtiest dogs, past and present, had mothers.
Treat him like dirt.
Dirt is not dirt, but only something in the wrong place.
As dirty as a pig.
I don’t make no dirty movements.
Dig up dirt on him.
Never wrestle with a pig. You get dirty, and besides, the pig likes it.