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When a man ejaculates and lets his semen dry until crusty, and then grinds it into a powder so that it can be snorted.
Dude A : "Hey man, let's do some coke"
Dude B : "Nah, man, I just got me a batch of galaxy dust bro"
Dude A : "Sweet dude let's do this"
by jruedawg99 July 24, 2016
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