Definition & Meaning of "platinum star gay"in English

What is the origin and meaning of the phrase "platinum star gay"?

A platinum star gay is a humorous term for a gay man who was born via Caesarean section and therefore, as the joke goes, has never had contact with a vagina. It is a playful extension of the term "gold star gay," which refers to a gay man who has never had heterosexual intercourse. The phrase is generally used lightheartedly within the community.