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When a person vigorously shakes a slurpee up and down in a masturbating motion in order to move the delicious slurpee product into a position that can be more easily sucked up by a straw. Usually this action is performed when there is mostly ice left and every time you suck the slurpee product does not fill in the air pocket created.
I really wanted the last bit of my slurpee, so I had to jack the slurp every few seconds to keep it coming up the straw.
by Udy October 16, 2008

Words related to jack the slurp

drink masturbate shake slurpee suck