Commonly used in Seattle, means a good sound.
Any good sound.
"Have you heard the new shankbone?"
"Yup! I got the new album its hella tight"
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To shank someone with your penis.
Often painful, but can be the best moment of one's life.
"OW!" cried Cassie, as Greg shankboned her. "Be gentle with me you Scottish bastard!"
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