Miley Cyrus is giving her ass cheeks a rest ... at least on the dance floor ... where she's traded out her twerking-obsession for a NEW lame white person dance ... and TMZ has the footage!!!
The 21-year-old was gettin' down at LIV nightclub in Miami on Friday when she unleashed the new move -- which involves gyrating and invisible hair washing.
No word on what Miley calls her new move, but we've come up with a few suggestions ...
1) Dude, Where's My Hair?
2) Weave Can't Stop
3) The Dinglehopper Stroke ("Little Mermaid" reference, look it up)
Got a better one?
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