Answer: turnsthumbsdown

AnswerCrossword Clue
TURNSTHUMBSDOWNRejects
TURNSTHUMBSDOWNDenies a request, emphatically
TURNSTHUMBSDOWNEmphatically refuses, in a way
TURNSTHUMBSDOWNShows disapproval, in a way