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A word that one might say either in annoyance when someone is being very stereotypical, being predictible, or being VERY Nerdy. Margh in a sense is sort of like Blah Blah Blah, but can be said with more spite and anger and just sounds more annoying. It can be used instead of shut up
John Morgan: Science is so cool with the atoms and hadron collider at CERN, my god I just love Nucleophilic Substitution.

Sarah: Margh Margh Margh!

John: I love cheese.

Sarah: Omg thats such a MARGH thing to say. So boring and unoriginal.
by Hutchitoo January 11, 2009
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Onomatopoeic for procrastinatory limb chewing. An expression of frustration, disillusionment and helplessness- often in response to an obligation to do something one does not want to do.
"margh, margh, margh!"
by Mellissae October 28, 2006
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An expression of anger, confusion, and annoyance, often heard through the halls of elementary schools.
Jane: Mary is smelly!
Mary: Margh. -_-;;
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