1 definition by Brimstone2006

Top Definition
A sexual position where a female masturbates two males with her hands while the female is fellating a third male and having vaginal intercourse with a yet another male. The name comes from "four fingers" where the fingers represent penises.
Her favorite sex position is the tetradactyl...what a slut.
by Brimstone2006 April 19, 2006

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