It's a combination of the words grody, rad, dank, and turnt. You use it for which ever of the words you want. No one will know whether you're calling them nasty or cool.
Some girl: Oh my god I forgot to put deodorant on this morning!
Me: You're gradurnk.
Some guy: Dude, I totally got this hot chick's number the other day!
Me: You're gradurnk!
Me: You're gradurnk.
Some guy: Dude, I totally got this hot chick's number the other day!
Me: You're gradurnk!
by Lily0515 November 27, 2015
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