Top Definition
The rare but extremely valuable and effective natural occurence of unified male cooperation and groupthink, induced by the need of an individual male or group of males to overcome the irrational challenges posed by the females of the species.
the collective "man lie" when a bunch of buddies help a dude lie to a girlfriend about his whereabouts is a perfect example of Marxist Masculinism.
by Chaos Charlie April 16, 2008
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