What is Piano Legs?
1.
Disproportionately thick calves and/or ankles on a woman with otherwise normal body weight.
No wonder Hillary Clinton always wears pant suits. She's got a humongous set of piano legs.
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2.
A woman with very thin legs. In old days, it was a sign of coming from a poor family, with not much food available.
She has such piano legs. Her family should feed her more.