Top Definition
one who enjoys having sex with the 4 categories of life: males, females, transexuals, and animals.
Guy 1 : Dude Bro, I was checkin' out this pig the other day, and totally had a boner comin' on

Guy 2 : Fuck first you like poon, then dick, now animals, aww nasty, your a full blown tetrasexual
by boomgoesdadynomite39444 November 12, 2009
5 Words related to tetrasexual

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