Related Clues:
- Cheers' opposites
- Performer's nightmare
- Complains, so to speak
- Spectator jeering
- Some zoo noises
- Loud laughs
- Contemptuous or scornful remarks
- Smiles villainously
- Cow left in steamship dirty looks will earn
- Crowd clamors
- Looks bad?
- Voices displeasure
- Reacts to a bad call
- Scoffers' reactions
- Jet sounds