“The difference between fetishism and perversion is that fetishism is using a feather, whilst perversion is using the whole chicken” (probably Proust, or Pushkin).
If it was a cock, of course, there’s nothing unusual in that.
As Peter Cook once said when asked by Michael Parkinson, “What was the worst thing about public school?” “Buggery”
And Willy Rushton once opined of taking the messages in by the tradesman’s entrance, “All right once in a while, as long as they don’t make it compulsory”.