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1.
A cocky and Arrogant gamer, who heavily plays Killzone 2 and Uncharted 2 thinking he is immense when really he is an ego-maniac turd, with a high-pitched voice.

The Phrase 'Agent Mo' is used when referring to people who think they are good are something when really they are not.
Trenton: Oh lord. Look at Gertrude over there. He thinks he is so good but he sucks turd.

Josh: Yeah, he is pulling an Agent Mo.
by Artirtico August 03, 2010