(Coastal Western US, chiefly Oregon) Shredded, ground, or chiped wood used for landscaping, gardening, or composting. / Used other than figuratively or idiomatically: see bark, dust.

(informal) An in-your-face mockery to a losing rival.

(idiomatic, informal) To be outrun. / (informal) To get one to be on a losing end.

(idiomatic, baseball) for a pitcher to throw a pitch at or near the batter, typically to frighten the batter or to have him stand farther away from home plate.

(idiomatic) Not to see someone at all; implies hasty departure.

(physics) In general relativity, an exact solution of the Einstein field equation in which the gravitational field is generated by dust rotating about an axis of cylindrical symmetry.

Third-person singular simple present indicative form of dust off a batter

To cause the air to become filled with dust from a surface. / To make a fuss about something trivial or noncontroversial.

(slang, archaic) To give someone a beating.

(US, informal) To act very quickly or energetically.