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5.
In order for a human to consume enough marijuana to be fatal, they would have to consume nearly 40,000 times the amount of THC required to intoxicate them. In contrast, it only requires about 5 to 10 times the amount of alcohol required to intoxicate, to be fatal.
If it requires 3 beers to intoxicate you, it only requires 15 to 30 beers to kill you. However, if it takes you 3 'hits' of marijuana to intoxicate you, it would require 120,000 hits to kill you. Thus, it is virtually impossible to die of a marijuana overdose.
by DaMadToker February 06, 2010
 
1.
Something that does not exist, like a ghost. Or something.
- You can not overdose on marijuana, although particularly large doses can yield some unpleasant effects.

- Marijuana overdose? Please.
by CDClock November 01, 2007
 
2.
The untrue idea that a lethal amount of marijuana can be smoked by one person.
"Is there such a thing as a marijuana overdose?"
"No, no there is not."
by nothething August 20, 2009
 
3.
A once-popular misconception held by anti-marijuana advocates, perpetuated by drug dealers and gangsters lacing selling-marijuana with other, more harmful drugs to induce physical addiction in their buyers.

Technically an impossibility, as marijuana does not cause fatal, or even considerable damage in the short term (not counting injuries sustained while under the influence).

Commonly used as an often-misinterperated metaphorical arugment that if you have taken enough of a drug to have gone completely out of your gord, you've taken a "dose" more of it than you should have.
High-Strung Joe- "Stop smokin' that, dude! You're going to have a marijuana overdose, dude! It happened to Crazy Collin after he bought from that toothless dude we found in the sewer! Willie? WILLIE!?"

Willie the Pothead- "I feel sooo relaxed... Like, duuuude... woww... duuuude...."

A Well-Adjusted Pedestrian- "Willie just collapsed and pissed his pants in public: if you ask me, he's already overdosed. Drag him home so he can sleep it off in peace."
by a_voice_of_reason June 29, 2009
 
4.
When one smokes more marijuana than their own body weight.

Which is kinda imposible becasue you would pass out after about 3 pounds to your face.

It would also cost about $681000 150 pounds of bad weed.
Man that badass motherfucker just smoked 100 pounds to his face, hes gunna die from a Marijuana Overdose
by Smoke That Shit March 10, 2009
 
6.
A myth- probably perpetuated by the usual prohibitionist suspects to curb the usage of Marijuana and class it into more dangerous drugs that can actually kill you, such as alcohol, cocaine, heroin, and prescription meds.
Suzy Jane realized that she would take a nap long before she could smoke enough to have a "Marijuana Overdose".
by Ms. Fit February 03, 2010
 
7.
While there has not been any reported fatal case of marijuana overdose (marijuana overdose being the primary cause of death, not relating to a mix of drugs or a prior medical condition), a person can most definitely produce very unpleasant and potentially serious side effects to the drug when consuming very high quantities of THC at a time.
This is very possible when eating THC laced content (i.e brownies, cookies), rather than smoking it (you only get 10-15% of available THC when you smoke a blunt).

Side effects include increase in heart rate/ blood pressure, difficulty breathing, increase in body temperature, disorientation, nausea, decrease in muscle coordination.

Other more frightening, psychological/psychosomatic symptoms include hallucinations (i.e tunnel vision), paranoia or terror, panic attacks, loss of "self", loss of time perception, short-term memory loss, and slurred speech. It is important to seek medical attention if breathing becomes shallow and slow or if a person loses consciousness. Side effects also depend on the individual, the amount consumed, and an individual's tolerance level.
"OMFG, I ate too many weed brownies, I think I'm having a Marijuana Overdose."
by Real Talk February 04, 2012