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A vagina on the go, typically attached to a female who is either a girlfriend or wife who will proceed to have sexual intercourse with you at any specified time or place.
"I've got my vagona with me"

"I used to date a vagona. We had sex everywhere, even on my neighbor's pool table."
by The Darth Ez May 16, 2010
A very wide and loose vagina
Damn that chick had the nastiest vagona i've ever seen!
by Skeeter McNulty May 21, 2006