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1.
n. A vagina that is legendary in both girth and depth, usually covered with a monstrous amount of pubes.
"I was doin' this gal last night and she didn't even notice. I think I have discovered a vagiant."
by Wendellian October 12, 2005
 
2.
noun. A HUGE vagina, as viewed from the outside of the body, or determined by the amount of empty space on the inside of the body.
Tom Arnold's quote about having sex with Roseanne Barr says it all "...it's like landing a 747 in the Grand Canyon." She would be considered the owner of a "Vagiant".

OR...

I was with this chick last night, and her "vagiant" scared the living hell out of me!
by MOrtlip August 01, 2007
 
3.
slang term refering to the football team the giants
to use this term you simply take the giants an add a "Va" in frot of the term to get "vagiants"
The vagiants won the super bowl
The Eli Manning plays for the Vagiants
by Nicholas Calabro February 07, 2008
 
4.
A mutant creature consisting of a vagina with legs, usually 40ft or taller.
RUN THE VAGIANT ARMY ARE ATTACKING!

No, it's just sliding up and down that tall building.
by Kevin Costelloe May 03, 2005
 
5.
A large vagina
Giving birth to multiple babies will result in a vagiant.
by Karin Unt October 17, 2013
 
6.
Anything pertaining to something huge, best used with a crowd that giggles at any word resembling "vagina"
"Dude, that is a vagiant bag of Doritos!"
by TheNate November 07, 2006
 
7.
half vampire, half giant
guy 1: "duude, i saw this thing yesterday tht looked like a vampire but it was like 15 feet tall!!!"

guy 2: "oh, it must have been a vagiant. i see them all the time."
by esteee December 13, 2009