Bigamist
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
A large fog over Italy
"Luigi look! itsa bigamist!"
sports bigamist
A sports fan who roots for two teams in the same sport and has no real alliance to each of those teams.
Laurie cheered for the New York Yankees and the Los Angeles Dodgers during the 2013 major league baseball season. Being the sports bigamist she is, she hoped that both teams would make it to the world series so she'd win no matter the result.