To ejaculate while slapping someone in the face with ur dick. Commonly used when black people are fighting over koolaid or other commonly used black stuff.
'I was fuckin this chick when i was at bj bell and then my friend yelled at me so i gack slapped his koolaid.'(gack slapped while koolaid is involved.)
by THAT1GUYFUCKINurmomW April 25, 2010
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Term used to describe when a meth user decides that rather than party with their friends famy and neighbors all weekend, they are going to just irresponsibly spend half their rent money on some dope and go hide out alone in their home and get higher than fuck all weekend...like a speed-driven "METHodical masturbation" type of high...
Bro, I'm so tired of smoking all my dope with these jank-ass chicks around the hood all weekend just to end up not getting any, yet still outta dope by Monday morning....fuck it, time to disappear for a couple days and gack off with my bad self...
by jimjones, omnibeing April 14, 2019
Get the Gack Off mug.Someone so high on meth they move uncontrollably. This usually includes wildly exaggerated leg ,hip, arm and butt movement that often look like their moving to some unknown beat and looks like very much like the dance the Elaine character on Sinefeld does.
by Kris burkholder June 8, 2017
Get the gack dancer mug.by AnonymousTweaker August 23, 2021
Get the gack back mug.Gack-pig or gack pig's the plural of the gack-pig means when one is smoke or doing the methinphetomine or meth otherwise known as or ice , side , socks ECT . . .when one is bogarting the pipe that used for the meth
by Khatiekat June 15, 2022
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