When someone has pieces of lettuce/green vegetables in their teeth
Uh Julia, you have a grassy smile....after eating all that Kale again
by Youheardcorrectly July 20, 2018
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when you get high as hell and you have that smile when you feel the drugs hit you.
dudeee, you got that grassy smile. did it hit?
by kiki.that.loves.you July 22, 2018
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When somebody eats an edible, most prominently a weed brownie and some of the weed gets stuck in between your teeth.
Guy1: Duuuuude I ate this wicked pot cake a couple of minutes ago
Guy2: That explains why you have a grassy smile
by Shitomaniac September 14, 2018
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