Top definition
the concept of having interchangeable genitalia.
polymorphites suffer from polymorphitus, a disease that causes the individual to have two sets of interchangeable genitalia, a concept known as polymorphism
by TomJohn February 03, 2009
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2
The act of evolving from the standard 'two person' relationship, into something involving the 'loving of more than one other'.

Where once a person was monogamous, now they practice Polyamory.
I am so in love with my husband, but after going through a period of polymorphism it has allowed me to also love his best mate as well!
by dazd1970 March 06, 2017
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