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A term usually used in leftist circles to derisively refer to someone who uses their misunderstood notions of human biology and/or evolutionary psychology to justify their heinous, ignorant, and/or bigoted views.
Women are naturally suited to raising children, so they should stay at home and not pursue a career. Wrap it up, it's a biotruth.
by imafuckshit June 22, 2011
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A phrase often used by Social Justice advocates to dismiss biological facts.
And then the police officer said that the DNA showed that a male did it. I told him to leave his biotruths at home.
by onepersonmore January 27, 2013
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