Related Clues:

• Insect sound of doubt
• Sound of a bee
• Speak in low voice
• Sing like a bee?
• Low sound of bad smell?
• Nasty smell
• Make music through closed lips
• Speak in a low voice, whisper
• Low, continuous sound
• Abnormal sound made by heart
• Low, indistinct speech
• Make musical sound with closed lips
• If, though sound, it bled, that would have cut it down to size
• Two drinks back, and there's little you'd get from it, by the sound of it
• There's some low talk of there being a couple of drinks back here