The feeling a man gets after getting extremely drunk, eating a full jar of mayonnaise and then getting laid.
"Oh last night I left so mantastic!"
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A song in a musical in which the singers are all male and the song is of a high manful quality; usually involves singing about objectifying women and/or fighting.
The song "Dames" from the Musical "42nd Street" is my favorite mantastic number.
by Captain Silver March 14, 2006
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To be a ten on the Worcester manometer, above a perfect physical specimen of a man (George Clooney, John Adams, Charles Lindberg, Fergie), prime targets for man hunting
Wow, Austin, Alex, and LJ are mantastically sexalicious.
by Blacula May 10, 2008
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a journey of epic proportions which defines one purpose and destiny in life; not a destination or a mile marker along the way, but the great and meaningful wide arc of the journey itself.
Come along and experience our mantastic voyage.
by AT33Aftermath August 3, 2009
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Not only to have a 10 on the Worcester Manometer, but also to have a physical resemblance of the gods, AKA to be so sexy that women and gay men just cannot help but want you, even without seeing you, just by feeling your presence (such as Jonathan Rhys-Meyers, Sean Faris, John Adam, and NOTTTTT!!! Charles Lindbergh)
Betsy: Is Charles Lindbergh sexy?
Claire: Hmmm, well he is cute, but he's definitely not mantastically sexalicious. You would have to be aboslutely insane to think he was THAT good looking.
Betsy: Let's check the Worcester Manometer!
Claire: Okay!
(check Worcester Manometer)
Betsy: He came up as a 5?
Claire: Hmmm, well I guess he really ISN'T good looking...

(At a party...)
Candy: OMG! This party is so much fun!
Cookie: Yeah it is... (suddenly very alert, Cookie has stopped dancing and puts her hand slowly on Candy's shoulder) I've just cum. Is there someone at the door.
(They both whip around to see that Sean Faris has just entered. Upon realizing what has happened, they are both overcome by the strength of his sexiness and are unable to maintain conciousness, fainting in the middle of the room).
Father: (apparently slightly dizzy, speaking to Sean Faris) You're lucky I'm not gay, otherwise I wouldn't be able to handle that you are so mantastically sexalicious.
by Bobby X. June 3, 2008
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A fairy who uses gun powder as pixie dust and flies with a jetpack instead of wings. The Bugatti (world's fastest production car) gets its power from mantastic fairies residing in its engine. One mantastic fairy alone can run an entire city's power source.
Did you hear? Tinker Bell dumped that pansy Peter Pan and hooked up with a mantastic fairy!
by Dude_Brah_Man January 27, 2011
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When a man is not yet Manning up to become a man and is undermanned to be manned then he will man up to man a mantastic man
by KD plug May 28, 2021
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