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To swim in the nude, especially in a public place or someone else's private property. We used to skinny-dip in one of our neighbors' pools—until they called the police on us one night. Our dorms were really close to a beach, so people skinny-dipped down there all the time.
The practice or act of swimming in the nude, especially in a public place or someone else's private property. After a few drinks around the bonfire on the beach, we all decided to strip down and go skinny-dipping. I don't really like skinny-dipping, to be honest. It is always more embarrassing than thrilling.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
to swim naked. The boys were skinny-dipping in the creek when Bob's mother drove up.
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.