Related Clues:

• 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
• It would sound very low to drink up a couple like this
• Some low talk about getting back for a couple of drinks (6)
• 'Just a little, in a manner of speaking, for a double drink back there (6)'
• A double rum coming up, but keep it quiet
• Grumbling sound
• Funny (peculiar) echo, as of babble
• Quiet noise made, knocking back the odd drink
• Speak quietly, but possibly from the heart
• Speak quietly
• Indistinct mutter
• Boatman's spirit rises again with gentle talk
• Quietly grumble, rejecting drink twice
• Soft voices (of discontent)