A play on the word goldilocks. This is used as an insult to a bald person specifically.
In this insult is actually two parts:
"baldi" refers to calling someone bald but isnt the most offensive aprt unless they really are a fine with being called a nonce.
"nonce" refers to them being a
paedophilethis insult is best used at people who are:
A) in a position where being called a
paedophile would be a serious accusation such as a teacher or paediatric nurse
B) very clearly insecure about them
going bald especially if they are currently balding and not bald