Anyone with less than 10% body fat. A person who is extremely angular. When you can see bone protruding from the rib, hip or collar bone area
Hey, did you see Kate Moss on the red carpet last night?

Yea, she has lost so much wieght she has become a bone creature.

Calista Flockheart is the ultimate bone creature.
by crazybitch789764342432 October 31, 2010
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