Top Definition
Spastik powder is the street slang for methadrone, mkat or meow meow. Can cause side affects such and random twitching and outbursts of tourettes whilst squirming around on the floor.
Wow, look at that guy rolling about the floor, you better call an ambulance as i think he's having a fit!

Na, its okay he's been on that spastik powder!
by gash pirates July 29, 2011
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