What does the cryptic crossword clue "Pocket hanky ought to muffle cheers (8)" mean?

The definition is "cheers". The wordplay uses a hidden word. Hidden in "pockeT HANKY OUght to muffle cheers" The answer is THANKYOU.

Pocket hanky ought to muffle cheers (8)

Independent Cryptic #11637 | 5 Down | 2024-01-27 flower