an extremely lazy person
duddee that chik rebecca is such a slackjackkk ! she doesnt do anythinggg !
by uhmmm_ idk? April 16, 2007

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Top Definition
A complete and utterly terrible handjob. One that is simply not worth the time and honestly makes one wonder what the fuck is wrong with with the human being who's head is in your lap.
Brady came back Jones' house and told everyone that Liz gave him the Slack-Jack of the century and he'd rather stick his dick in a pinecone than experience that again.
by SpamoniJones April 06, 2010

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A very lazy person
Homer Simpson
by mac_munch November 14, 2003

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Soft and offensive. Just like you.

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The Urban Dictionary T-Shirt

Smooth, soft, slim fit American Apparel shirt. Custom printed. 100% fine jersey cotton, except for heather grey (90% cotton).

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