n.
The practice of smoking marijuana in an enclosed space (e.g. a car or a small room) in order to maximize the narcotic effect.
The guys in Irish C like to hotbox on the way to In-n-Out Burger.
by adamisaspaz March 5, 2003
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To be surrounded by the smoke of marijuana in an enclosed space such as a car. Often done to improve the high
Justin is so getting hotboxed tonight
by Princess 👑 October 2, 2017
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The act of smoking marijuana in an enclosed area to which no outside air can enter maximizing the effect of the marijuana through both first and second hand smoke.
by The Don April 22, 2003
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Basically, "Hotboxing" is when you smoke weed via Joint, Blunt, Bong etc. in an enclosed room or vehicle. There are no spaces for the air to come out, so the weed stays in the area supposedly making you even more ripped because of the second-hand smoke you're inhaling along with the actual puffs.

But in reality, it really does nothing. The part in the weed that makes you high is THC. Ones you take a hit, you inhale all of the THC into your body, and none is blown back into the air. All of the second hand smoke does not make you higher, it just fucks up your lungs worse than normal. The only reason people thinks it works is because of the placebo effect.
Jamal: Yo we hotboxed my dads Cadillac yesterday, you should have reached!

Thomas: Well actually, hotboxing doesn't work, it is only the placebo effect changing your mindstate. You cannot get high off the second-hand smoke that contains no THC.

Jamal: Fag.
by KushMasterFlex December 31, 2011
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When you order your favorite pizza in Indianapolis... instant high #hotboxpizza
Have you ever HotBoxed? Yeah, I love their breadstix.
by HotBox Hottie June 26, 2018
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To be in a hotbox
or
To be in the act of hotboxing
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If I were in an air-tight room or vehicle burning incense or smoking marijuana, then I would be hotboxing it.

Friend 1: Hey dude, let's hotbox it
Friend 2: Alright *shuts all doors, windows, and vents*
*Friend 1 and Friend 2 light their joints and/or incense*
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by Graham T C February 14, 2006
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Pretty much the greatest thing that has ever been thought of by anyone. It is when you turn off your car and roll up the windows and smoke Marijuana. The smoke fills the car and you breathe in secondhand weed smoke as well as the smoke you inhale from the bowl, bong, joint, etc. It works best when you use more than one method of smoking together, so you get really, really, really fucked up. Awesome.
Guy 1: Let's park behind the movie theater and hotbox this mofo.

Guy 2: Fuck yes. This is the funnest night ever!
by Stoney McGhee November 13, 2009
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