The space between the genitals and the butt hole of a fetus. usually undefined until the fetus is spawned.
Guy: you fag!
Guy2: you fetal taint!
Guy: what?
Guy2: you are week and cant tell if your a boy or girl yet
Guy2: you fetal taint!
Guy: what?
Guy2: you are week and cant tell if your a boy or girl yet
by Rock the fetus hard October 30, 2011
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