Top Definition
A group of empathogen drugs that are, or are sold as ecstasy (mdma).
In general these substances contain: "MD" - methylenedioxy, and have different compounds with it "XX."
Such MDXX compounds include: MDA, MDEA, MDMA, MDMC (bk-MDMA).
Other empathogen drugs that have similar effects include: BDB, bk-MBDB, AET, and AMT etc...
I don't know if those pills were mdma but they definitely had mdxx in them!
by lbomber7 February 25, 2009

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