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Meaning of skinny-dip

skin•ny-dip

Pronunciation: (skin'ē-dip"), [key]
— v., n. -dipped, -dip•ping,
—v.i.
  1. to swim in the nude.
—n.
  1. a swim in the nude.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.