A dude who doesn't like it if you step on his "J"s and screams a lot. He also constantly starts fights and loses them.
ex: GIMME BACK MY LUNCHBOX
ex: he is such a Jack Slattery
by Mangernam October 5, 2013
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The hottest member of your friend group. Gets all the girls and is extremely attractive.
"I want to be just like Jack Slattery, he's so attractive"
by Hot Dudes November 15, 2022
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