Answer: tsktsks

AnswerCrossword Clue
TSKTSKS

Tongue-clickings

TSKTSKS

Scolding sounds

TSKTSKS

Audibly indicates disapproval

TSKTSKS
Sounds of censure (max opening score of 80 points)
TSKTSKS
Gives a double cluck of reproach
TSKTSKSShakes a finger at