One who will engange in sexual activity with:
anything that has a hole;
or if it does not have a hole, one will make one.
Person 1: Wow, he's just fucked a man, woman, squirrel, and a tree!
Person 2: Yeah, he's obviously quadsexual.
by Martin Axon April 10, 2008
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A person who is sexually attracted to males, females, neuts and hermaphrodites.
No fair, quadsexuals get four times the pleasure of the rest of us.
by Ronald McDonald December 12, 2004
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person attracted to men, women, animals, and plants
watch out for those quad sexuals man. they will fuck men, women, animals, even hump trees man.
by jmix0 June 18, 2009
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the most desperate people on the planet
they will fuck: men, women, andanything with a hole, anything without a hole they will make a hole for then fuck
Person A: did you hear about all the things alex rodriguez fucked?
Person B: yeah! he butt-fucked brad pitt, before moving on to screwing madonna, and then he put his dick in tinkerbell's pussy, and then finally he cut a hole in his bathroom door and started humping it right as the press walked in
Person C: he MUST be quadsexual
by funny examples June 29, 2009
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A person who will only have sex if four or more people are involved
Hey you want to have sex with me and my twin sister?

Nope, I'm A quadsexual

a quadsexual, what's that?

It needs to be four people, add your brother and we've got a deal!
by buck bowers November 27, 2011
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