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Put simply: cow jizz. Whether extracted naturally, artificially, or otherwise, moo goo is moo goo. Furthermore moo goo is an ancient chineese secret remedy to lonelyness and itis and makes a great addition to that ex-girlfriend's new haircut.
random guy: I almost passed out after that burger, until I had a shot of moo goo.

*camera pans to old chinese man*

chinese man: ancient chinese secret
by chewBRAka November 02, 2010
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A WoW playing Jabroni, usually of the druid persuasion.
Dude: "omg did you see that guy get totally pwned"

Dude2: "yeah, what a Moogoo"
by NapalmAngel July 07, 2009
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