The Bump is a form of popular dance introduced in the 1970s in the United States. Two partners, bump their hips against each other to the beat of the song. Sometimes the dance can be more suggestive, with the one dancer bumping their hip against the other dancer's crotch. For this reason, the Bump is often believed to be the precursor to the erotic and controversial dance grinding.[citation needed] It is also known as the disco couple dance.

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