When you do something that is so cool, it must be something that runs in your family
Guy 1:"did you see my sick back-flip?"
Guy 2:"Hell yeah dude, your Granny's Legit"

or

Guy 1: "Bro, you crushed them in basketball "
Guy 2: "Yeah bro, my Granny's Legit"
by princeoffools54 September 8, 2017
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