When a guy is pounded(either himself or someone else) really hard that his balls are making the sound and explodes
by Janet4u May 31, 2018
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Get the Jack Heywood mug.if someone is doing jack, they are doing nothing. they are lazy and can't be bothered to do anything. it also means if someone can't be bothered, or they dont want to put effort into something.
person a: "where's tony, he needs to do his homework!"
person b: "idk, hes probably doing jack on the couch."
person b: "idk, hes probably doing jack on the couch."
by gopro7reekal September 22, 2023
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