mixmasterEtymologyFrom mix + master.nounAn expert disk jockey.“And though self-styled Scratch protege Fraser, who will also be on hand for this concert, is competent, he isn't half the mixmaster Perry once was.”A complex freeway interchange.“Iowa Department of Transportation plans to close parts of the west mixmaster near Des Moines as well as portions of Iowa Highway 5 on Tuesday, according to a news release from the organization.”