A vagina that is big enough to fit 8 dicks.
"Dude did you see that chick? She is HOT!"
"I'd stay away from her dude, I heard she got gang banged by at least 8 guys at the same time."
"GROSS, let's stay away from that Octopus."
by LibertyPrime October 22, 2012
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The octopus.

When fucking a girl you insert your whole penis, your balls, and scrotum into her vagina. Variation is the Pacific octopus which is the same thing but in the ass.
I GAVE My wife the octopus last night...
by Benburgh September 20, 2015
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Eight guys gang-fucking a girl, with two dicks in the mouth, two in the pussy, one in the ass, one in each hand, and one between the tits, all at the same time.
We gave her the octopus until she passed out.
by Ron Jeremy April 23, 2005
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the plural of octopus is octopi. A seascreature with 8 legs that is the ultimate of sea creatures minus mermaids and starfish
Corey is wrong octopus plural is octopi
by beingright 24/7 April 19, 2012
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A group of 8 females.

Related:
Unipus - one female
Bipus - two females
Tripus - three females
Quadrapus - four females
Pentapus - five females
Hexapus - six females
Septapus - sevens famales
ME: Dude, check those ladies in the corner.
Guy: Which ones?
ME: The octopus.
Guy. Nice.
by C FRESH October 22, 2007
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foreteller, fortune-teller, predictor, forecaster. From the octopus called Paul, who correctly predicted eight games, including seven Germany games, during the World Cup 2010 season.
You need not be an octopus to forecast tomorrow's weather.
by uttam maharjan July 12, 2010
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An eight-sided vagina, or pussy.
That octopus squirts ink to fend off predators.
by 8={'''}=D|Shawmain October 18, 2004
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