Related Clues:

• The furthest point or degree
• Furthest or extreme
• Furthest point or degree of effort
• 'Most extreme, greatest (6)'
• It's the limit the way no-one can have more to say than this
• No-one can be more absolutely talkative than this
• Do your best so that's it's in the mutt
• Make the longest speech? Absolutley!
• You can't get further than a thousand in stout
• One could not have more to say to the highest degree
• That's the very last in line
• Do your best to be grand in such a stout way (6)
• Be so loquacious as to be the absolute end
• You come to tea; do your best
• Very talkative? Absolutely!