when a man dunks his testicles in a jar of soy sauce
"Guess what, Monica? Last night I tasted Anthony's balls. He did an oily chang beforehand."
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The act of greasing yourself up with vaseline so that you can effortlessly slide into the air vents of your home or workplace.
"Damn! He just pulled an Oily Chang! It was like a reverse cow birth!"
by theboat144 December 17, 2021
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