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The practice of pulling your testicles between your legs until they become rested on or near the anus. Performed by guys with the name of Chadd.
If you don't quit back sacking, your testicles will become streched out. \

Don't back sac me bro!
by Peter Heineken November 08, 2007
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Apr 21 Word of the Day
I've been jabbed
by Francesco II March 20, 2021
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