This was cited by the reddit admins as the reason they have just banned my account, instantly for this single thing, I've never had any other problems on the account.
It was a joke. A funny one at that.
It is absurd because "nonce" is barely a bad word. Equivalent to "dummy" or "shite".
Reddit is so shit.
EDIT: My appeal just got rejected. Landlords are officially an immutable identity akin to lgbt people and gender according to reddit. Also "nonce" being equivalent to "wanker" is apparently meaningless to them.
I'm quite annoyed.
Wow didn't know, didn't even know it could be interpreted as very rude but given the original meaning it makes sense