Some one who doesn't know how to pull up their saggy pants (mainly chicks)
That sacker Crack needs to pull up her pants!
by Kitty kitty kitty cat March 1, 2017
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Someone who hits someone else in the ballsack.
Person 1: "Dude, Trey just hit me in the balls!"
Person 2: "Wow, I didn't know that he was a Sacker."
by citrufruit August 5, 2023
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