Top Definition
Technically speaking it refers to the inbreeding of certain Polygamist sects and the physical and mental deformations that occur to inbred polygamists. The phrase 'polygamist downs' is now sometimes used to insult another persons physical features or intelligence.
' Did you see that guy? He looked like he had polygamist downs!'
by smart1 March 24, 2009
5 Words related to Polygamist Downs

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