Congratulatory Phrase; Raising Headgear

This page is the CodyCross answer for the clue below from Cruise Ship, Group 645, Puzzle 2 (Musical Performance).

Question is: Congratulatory Phrase; Raising Headgear

and the answer is: HATSOFF

Word Meaning:

HATS OFF — (dated) Used as an instruction for people to remove their hats out of respect, generally towards someone of importance.

Definitions from Wiktionary.