A woman having sex with two men at the same time, with both penises in her vagina.
Teri Weigel, ex Playboy playmate was the first to do a double vaginal that I have ever seen.
by rararajaj October 23, 2003
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A double vaginal penetration of a woman.

Two men having vaginal sex with one women at the same time.
" One time my girlfriend took on both me and my brother "

" That girl needs to dicks in her vagina to please her "

" She could use a double vaginal penetration "
by Bill Abnovsky August 18, 2006
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The act of engulfing two vaginas around one penis.
"Hey Aunty John, did you perform double vagination on your monkey tonight?"

"Sure did and it was GREAT!"
by MonkeyHands September 07, 2013
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