No reason his name couldn’t be there. To be 100 % clear, I’m comparing their celebrity status and in no way whatsoever suggesting that they are paedophiles.
Can’t say I ever liked Savile or his tv shows. Always thought he was a strange, scary man. That was years before I even knew what a rapist or paedophile was.
But yeah, Rolf Harris was good fun when I was a kid. I had his stilophone thing, paint by numbers sets and annuals.
Of course now I...
Nonce likely comes from the Victorian phrase for nonsense poems full of strange words and creatures; Nonce poems or Nonce words.
The Jabberwocky would be an example of a Nonce poem.
Edit; could also derive from the word Nance, to be gay or effeminate.
Or indeed from Lincolnshire dialect...
On Google there is a claim it means not on normal courtyard exercise.
I suspect this is similar to the made up Port Out Starboard Home retrospective acronym for posh.
A “backronym”, if you will.