cut a rug
slang To dance. Come on Millie, you love this song—let's cut a rug! It was hard to find a spot on the dance floor with so many other couples cutting a rug.
cut a rug
or cut the rug
AMERICANIf you cut a rug or cut the rug, you dance in a lively and energetic way. Some of the mothers had a great time cutting a rug alongside their teenage daughters. Most of those on the crowded dance floor cutting the rug were over 50.
cut a (or the) rug
dance, typically in an energetic or accomplished way. North American informal 1966 Sky Magazine The wide-open spaces around the bar…mean, as it fills up, the place soon resembles a club and the punters are itching to cut a rug.