When the act of pleasuring one's self goes utterly wrong.
MARK: "I don't think I'll ever be able to face my family again"
DAVE: "Shit, what happened dude?"
MARK: "Well, last night as I was pouring myself a hand-shandy, the cat walked into my room and jumped on my lap, just when I reached my vinegar strokes"
DAVE: "I'm sure he'll get over it"
MARK: "But that's not the worst part; before I could clean him off, my little sister ran in and grabbed him. Later I saw the cat walking around with a mohican while my sister kept saying something about becoming a pet stylist"
DAVE: "Wow. That truly was a masturbatastrophe"
by Chud Brunner October 30, 2011
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