The act of trying to twerk but instead of your but jiggles your thighs jiggles instead.
Aubrey tried to impress her boyfriend by twerking when she squatted down and tried to shake her butt. When her friend whispered "Aubrey stop your Thwerking not twerking."
by Jigglephysics November 9, 2015
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When your thighs jiggle but your butt does not.

A slightly less known dance than its cousin- the twerk
"Man, look at that girl thwerk."
by picklemoney February 7, 2016
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