1 definition by Tachyonosphere

Top Definition
Marijuana, usually in the form of a joint, that is smoked towards the end of a DXM trip which synergizes with and enhances the remainder of the trip (akin to a jet engine igniting its exhaust fumes mixed with fuel to generate an afterburn)
The 2 psychonauts each had an afterburner as their robotrip began to wind down.
by Tachyonosphere May 26, 2008

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