Related Clues:
- Boo mate
- Lip from crawler perhaps lets off steam
- Sound from an cat with an arched back
- Audible reproof
- [You smell like some other cat and I don't like you]
- Boo accompaniment
- Kettle emission
- Angry cat's sound
- Equal chance
- Sound from a snake
- Noise from electrical interference
- Catty warning
- Crackling in exaltation, having left the City
- Not going anywhere with rubbish covered in (sic)
- Boo relative