Pet Shop Boys fan 

Modern version of a Friend of Dorothy.
A sophisticated euphemism for gay.

comes from assumption that only gays can enjoy music of British synth-pop duo Pet Shop Boys

There's someone you don't like and you want to insult them by calling them a "faggot," but you know that's awfully politically incorrect and will get you nailed as a bigot, so you say something like "I hear he's a Pet Shop Boys fan."

Pet Shop Boys fan by dildo777 January 27, 2023

petshop boys 

1.80'S and 90'S Electronica act.
2.Homosexuals who use animal movements (such as the riggling of gerbils) to excite their anus.

"Ben Wolsey is such a pet shop boy"

petshop boys by Kristian Hicks June 29, 2004