hotbox

A hotbox is an air-tight room or vehicle that contains one or more pot-smokers smoking one or more joints. The exhaled smoke and the smoke coming from the joint, unable to escape, circulates and thus is breathed in and is not wasted. Smokers in a hotbox may find themselves totally fucked beyond the point of speech after about 30 minutes. Hotboxing is an event that requires some amount of planning, but ensures optimal weed usage.

smoking a substance in a confined area so that the area fills with smoke and the smoke is all you breath in.

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.

To be surrounded by the smoke of marijuana in an enclosed space such as a car. Often done to improve the high

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.

smoking marijuana in a vehicle or room until it is filled with smoke.

To seal off a room or vehicle so no smoke escapes while enjoying marklar. Not neccessarily the state of the room once it is filled with said smoke. Once smoke has filled the space it is simply said to be "smokey in here"