Slang name for the arylcyclohexylamine (PCP and ketamine family) drug methoxetamine, a research chemical introduced to the grey market around 2010. First produced in the UK, it is now illegal in that country and several others, but remains legal in much of the world. Other slang names for it include mket and MXE.
I did so much sparklepoofies last night, I went deep into an M-hole!
by Murple September 03, 2012