Tooch [tu̯t͡ʃ] is the act of arching your back down and raising your hip region upwards.
The word was made up by Tyra Banks when she saw Allison Harvard's photo on an episode in America's Next Top Model, Cycle 17 when Allison posed with Angelea in stilts. They both did well, but Tyra discovered that Allison raised her hip region upwards while Angelea did not. She called it "tooch".
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