Bigamist Share definition Flag A person that is attracted to, hooking up with or married to multiple large women at one time. John Doe had several big robust women he was seeing and hooking up with at one time, therefore he is a bigamist. Bigamist by ducringer August 31, 2010 0 0 Get merch Get the Bigamist mug. Buy Now — $32.95 See more merch