dust-out noun 4dust out verb 1forms 4 noun4 •Cleanup.The place needs a good dust-out. — 2014 •dust cloud that impairs vision....whiteouts and silty dust-outs, the mosquito body stockings, and the rancid stench of briny lakes all became part of life. — 2013 •Alternative form of dustout. •A prankster who misleads others.Even then, shirkers and dust-outs must expect to answer to the law for thumbing their noses at the U.S. — 1972 dust out verb1 •(slang, old-fashioned) To leave or depart. formsdusted out · dusting out · dusts out · dust-outs