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The bounce of a penis. Can be used as both a noun and a verb.

This word was created when the evil ruler Dr. Zayas tried stealing the bounce of every penis in mankind. Cam, Rob, and Colin had to rise to stop him. But this bounce needed a name. It was named after the feeling of the bounce motion.
"Dude, I had the greatest fwing(n.) going as I was walking up the stairs!"

"The naked mans genitals fwung(v.) violently in the windstorm"
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