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a fantasy, usually sexual, involving a faceless man or men
I finally had a moment to myself, when a phone call interrupted me from my mantasy.
mantasy by Julienumberone October 28, 2007
(noun) a man who meets all your criteria (i.e. fulfills your physical, emotional and intellectual needs), is straight (or gay, as the case may be), is available AND digs you. (plural) mantasies. but use mantasi if there are too many to handle.
Forget the rest this guy's a mantasy.
mantasy by Ian row April 6, 2007
A man's ultimate dream. Copyright by Stephen Colbert, 2007.
The average mantasy involves fast cars, brazilian supermodels, and beer.
mantasy by Vacuum December 30, 2008
The act of a female giving a male oral sex while he plays Madden NFL Football. If the man is a virgin, replace Madden with World of Warcraft.
Dave was particularly happy on Wednesday, most likely because his girlfriend gave him a mantasy.

While performing a mantasy, Emily became angered when Dave rested his xbox controller on top of her head.
Mantasy by the405isepic February 20, 2010
Man-tuh-see
noun, plural -sies, verb, -sied, -sy·ing.

When a Manly man imagines; usually extravagantly and over exaggerated, about doing something of a erotic/funny nature to another man. Can also be used for awesome ideas that guys would love to actually do, but will prob never happen.
Usually the men are already involved in bromantic activities together.
Guy 1: Thanks for inviting me to the Dodgers game!
Guy 2: Yeah, this is a mantasy come true!

Guy 1: Suck it!
Guy 2: Only in your mantasies.
Mantasy by SIMPLYkasey December 6, 2010
A "Mantasy" is a typical man's fantasy. A fantasy a man would have.
Watching a movie that has really hot women and really hot cars that most men can only fantasize about.

I would describe this movie as a typical "Mantasy" movie.
Mantasy by nocturnalight July 7, 2009