After the birth of a very large baby the whole that is left behind. Within medical terminology it is properly referred to as a 4th Degree tear.
After she pushed out that 12 pound baby we had to go into the operating room to repair the huge VAGANUS that it left.

Her VAGANUS was of epic proportions, glad she had an epidural!!!
by yoni nurse September 8, 2010
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The ripping or purposeful tearing of the skin between the butthole(s) and whoosey-whatsie which effectively creates an elongated vagina or vaginal area, thus creating an indiscernible hole or holes thus becoming a vaganus.
Husband: "Hey doc..Are we going to sever the taint?"
Doc: "Only if necessary and then in that case it will create a vaganus"
by Mrpuddles January 8, 2012
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n. An area of the female anatomy located between the vagina and the anus. The female equivalent of the "scranus".
I have quite the tickle on my vaganus.
I haven't shaved my vaganus since Nam.
by Phil martell December 31, 2009
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Another name for females taint area
Have you been keeping your vaganus area shaved and clean it's getting hot and it's gonna smell if you don't Karen.
by MyDefinitionsBeTROLLIN April 22, 2023
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When you fuck a girl so hard you manage to combine vagina and anus
Bro I fucked this girl so hard that I gave her a vaganus, she ended up in the hospital. I split her vag right to her arse.
by Destroyeddave June 12, 2017
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When an ass or vagina has been fucked so hard that 2 holes become one and the dividing area of skin between them ceases to exist.
Reedy: "Hey Reggie, nice Vaganus"

Reggie: "I know.. that was a breathtaking ass pounding last night"
Reedy: "Wasn't it".
by Reginald P Dangerfield June 7, 2010
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When someone fucks you so hard it goes through the vagina and comes out the ass, Hence Vaganus.
Word Breakdown-
Vag- Vagina
Anus-Ass
How it would be used in a sentence;
Girl 1- Oh my God, Carlos went real hard last night he gave me a vaganus.
Girl 2- What does that mean?
Girl 1- Check Urban Dictionary.
by Willis, Corey Truss August 4, 2016
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