1 definition by dats4lyfe

a derogatory term for marijuana it its natural plant phase before making extracts. pre-run is less desirable to some people because of the impurity of the product. the extracts made from it are stronger and contain zero plant material. term most commonly used by weed snobs.
billy- "got wax?"
carlito- "naw ... got some fire budz tho.. "
billy- "chill fam... you know i dont fuck with that pre-run.."
by dats4lyfe December 25, 2015
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