bump and grind noun 2verb 1forms 5 noun2 •A sexually suggestive dance involving exaggerated hip movements, especially a striptease dance. •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 verb1 •To perform such a dance or such movements.A dozen exercisers show up twice a week to "bump and grind," "do some belly rolls" and "loosen the hip joints." — 2008 formsbumped and grinded · bumped and ground · bumping and grinding · bumps and grinds · bump and grinds