When one tends to indulge in marijuana excessively on a rare occasion.

This leads to, because of a lack of MJ tolerance a chain reaction of overthinking about ones life dreams, goals, hopes, aspirations, AND f-ups over the course of the last 5-10 years!
Dude, I gots ta smoke more weed.....last night I crossed the line and got overstoned

" Hey Jonny, Give me a hoot!" Watch yourself bro, this shit'll get you Overstoned
by jayfrocran February 1, 2011
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adjective; being in a state of excessive intoxication or overly altered by narcotics
Want another hit? No way man,I a'm overstoned!
by happynotlucky March 11, 2009
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A person who overreacts when they a high. For example, a person will go up to another person and tell them how high they are. This person should never be allowed to smoke weed ever again due to the fact that they ruin everything.
Bro, that kid is such an overstoner. He is so annoying.
by TheBromobile February 20, 2019
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