What does the cryptic crossword clue "Some urchin, a perfect scruff (4)" mean?

The definition is "scruff". The wordplay uses a hidden word. Hidden in "some urchiN, A PErfect scruff" The answer is Nape.

Some urchin, a perfect scruff (4)

Telegraph Prize Cryptic #3109 | 6 Down | 2021-05-23 flower