Top Definition
The act of masterbating while vaping. Expert Mastervapers will ejaculate through Os.
Justin enjoys expert Mastervaping
by JoGael Piel August 20, 2016
Vaporizing while in bed or on something comfortable.
Eric: "Cam are you mastervaping again?"
Cam: "Why yes I am."
by Aceof24 December 01, 2013
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