kink shame
To kink shame is to disrespect or devalue a person for his or her particular kink or fetish.
To kink shame someone is to put them down for having a kink you disapprove of or can't relate to, for ex.:

"Eww! You like fat chicks?" to a guy who is into BBW (big beautiful women).

or "I can't believe you let a man boss you around!" to a submissive woman in a D/s relationship

or "Don't you have any self respect?" to a masochist into BDSM.