someone or something that is overly manly but not egotistic, and is just alittle bit cooler then being fantastic.
The fact that the fat guy could lift a 2 ton car was mantastic.
by iluvcookies54 April 29, 2008
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The Native American word for penis or a man's sexual performance.
She will surely be satisfied with my mantaste.
by Dominick Peluso September 5, 2007
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Like testacular, it is a word describing something manly and fantastic as it is a combination of both words.
"Hockey game was f*ckin mantastic the other day!"
by RJ McFadden October 2, 2006
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A specific term used to describe certain qualities a person possesses such as a combination of them being attractive, macho, sexy, manly, etc.
Alex had the perfect beard to help accentuate his mantasticness.
by sam d. January 4, 2016
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A word used to describe something when fantastic just isnt manly enough.
Man 1: Dude I just bought 500 pounds of steak for the BBQ.

Man 2: Mantastic!
by Rotari November 10, 2009
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Derogatory term for supporters of Man United. It is a play on th club's name and the fact that most of the said supporters are gay bastards.
All mankers are mantasters.
by manker hater October 8, 2010
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A female that has the qualities or characteristics of one who is of the male gender. A truly rare alpha female that becomes the 'man' in the relationship.
"dude after sex, she didn't want to cuddle last night. she's freaking mantastic."
by fosheeezo de kin February 3, 2010
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