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An imaginary time during the month when the cycles of the moon cause a man to be bitchy and irritable. Directly related to a woman's pre-menstrual cycle, a woman can ask a grumpy man whether or not he's on his 'mancycle'.
Jim's being a dick this week. I think he's on his mancycle.
by cherryghosts November 13, 2010
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Half man, half bicycle.
(not to be confused with the half man, half popcicle, see mancicle)
John: Culo Verde! Look at that guy riding his bike down the street!
Sue: You mancunt, only a mancycle can ride like that!
John: Lick my fronton!
by Faber July 27, 2006
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