What does the cryptic crossword clue "A word in your ear: not all chaps stink! (4)" mean?

The wordplay uses a hidden word. hidden in (a part of, "not all" of): [cha]-PS ST-[ink] The answer is PSST.

A word in your ear: not all chaps stink! (4)

Guardian Cryptic #29622 | 24 Down | 2025-02-19 flower