(euphemistic) Dog feces.

(informal) Very cheap; easily affordable.

To fling dust or similar. / (figuratively) To make derogatory or malicious allegations, particularly about people in public life.

A subsistence farmer; a farmer with no hired hands. / A farmer who is too poor to use, or unable to use, irrigation.

(mining) Earth which contains profitable quantities of ore. / (figuratively) A profitable area or period; success.

Alternative spelling of dirt cheap

(idiomatic) In a condition of extreme poverty.

Alternative form of dirt-poor

(slang, indelicate) A state of permanent rest; the state of death.

Alternative spelling of dirtbike