Answer: hooting

AnswerCrossword Clue
HOOTINGBleachers activity
HOOTINGDerisive chorus
HOOTINGVoicing objections, in a way
HOOTINGCrowd sound
HOOTINGNoisy owl's activity
hootingHOOT, to cry like an owl
hootingowl's cry
hootingto utter the cry of an owl
hootingto shout in scorn
hootingscornful shout