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.
A sock used for the purposes of masturbation, often found hardened and flaking, stuffed down the side of the bed in a teenage boy's room. Also the unfortunate name of a US professional tennis player.
Not to be confused with jock sack, a Scotsman's ball bag.
Jackary is the ship name for two members of the Band Why Don't We. Jack Avery and Zach Herron have a special bond of friendship and are like brothers. The Limelights ( their fans) came up with the name by combining their names together. Jack + Zachary = Jackary.