Top Definition
When someone performs the Shoryuken move from Street Fighter onto a fat-man's moob, causing it to swing up into the air
Guy #1: Dude look at that fat guy, I'm totally gonna give him a Moobyuken
Guy #2: What?
Guy #1: Watch...MOOBYUKEN!
Fat guy: OW! what was that for?
Guy #2: owned
by BigPalooka December 04, 2009

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