Top Definition
(adj.) pre - his - stone- ic

A time period long ago, way before you smoked that wicked dank every day.
Eric: "Yo man, remember back in the prehistonic ages, when we were kids and we said we'd never smoke weed?"
Johnny: "H'yea man, we were such narcs back then."
Phil: "Dude I never said anything like that."
by syntheno December 20, 2009
8 Words related to Prehistonic

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