Answer: hatsoff

AnswerCrossword Clue
HATSOFF

Phrase of praise

HATSOFF

"Kudos"

HATSOFF

Congratulatory phrase

HATSOFF
Words of salute
HATSOFF
Flag tribute.
HATSOFFThree cheers!
HATSOFFBennett's order to flag viewers
HATSOFFLed Zep "... to (Roy) Harper"
HATSOFF"Congratulations!"