Answer: hoots

AnswerCrossword Clue
HOOTSAngry crowd sounds
HOOTSNight tree sounds
HOOTSOwls' sounds
HOOTSSounds of owls and unhappy audiences
HOOTSApes owls
HOOTSHollers' companions
HOOTSJeers
HOOTSOwls' calls
HOOTSSays "to-whoo"
HOOTSScornful cries
HOOTSRelatives of raspberries
HOOTSBad audience response
HOOTSLaughfests
HOOTSVery funny happenings
HOOTSOwls' cries
HOOTSRaucous cries
HOOTSBarn sounds
HOOTSSome night noises
HOOTSOwl comments
HOOTSMatters of indifference, colloquially
HOOTSMakes like an owl
HOOTSRiots
HOOTSSigns of a hostile crowd
HOOTSKin of Bronx cheers
HOOTSRaspberries' cousins
HOOTSHollers
hootsto shout in scorn
hootsscornful shout
hootsto utter the cry of an owl
hootsHOOT, to cry like an owl
hootsowl's cry
HOOTSNight noises
HOOTSHeckling sounds
HOOTSSounds from wise guys?
HOOTSExpresses displeasure
HOOTSDoes owl impressions
HOOTSOwl calls
HOOTSOwl sounds
HOOTSNight birds' calls
HOOTSNocturnal forest sounds