bump-n'-grind

Noun

bump and grind (countable and uncountable, plural bump and grinds)

1. (idiomatic) A sexually suggestive dance involving exaggerated hip movements, especially a striptease dance.
   • One of the oddest spectacles in America, in fact, has to be a Tom Jones audience, in which a couple of dozen women, usually attractive and well dressed, throw their panties onto the stage and compete for what appears to be a deep kiss from the male master of the bump and grind.1982 August 9, Gerald Clarke, “Are the Stars Out Tonight?”, in Time
2. (broadly) A combination of movements resembling such a dance, as in road racing, whitewater kayaking, or exercising; any activity involving prolonged jarring or shaking.
   • "There's inevitably a bump and grind when someone new comes into an established organization," says former senior adviser Rahm Emanuel.1998 November 19, Lloyd Grove, John Harris, “Crisis Quarterback: Gregory Craig Is Calling the Plays On Clinton's Team”, in Washington Post, retrieved 07 Aug 2008, page D01

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