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a universal word, commonly used to referr to weed, but can be used to mean anything. can be used as a noun adjective or verb. if it is used to mean anything other than weed then it should be obvious based on the rest of the sentence.
Dude i got some sweet ass gernardo from my boy downtown yesterday and the price was pretty gernardo too.

I met this chick the other day and we were doin the gernardo in the back of my car and she was fkin gernardo as hell you cant still see the marks she left can u.
by _____________________________ November 29, 2007
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