Related Clues:

• Birdbrain, or extinct bird
• Dotard
• Eve who wrote 'The Vagina Monologues'
• Repetitive extinct animal
• Old fogey
• Extinct bird of Mauritius, very dead
• If you perform it twice the same way you'll get the bird
• No more can it perform at the double
• A 5 down performance no more
• There's no more to do, by the sound of it
• Double act, but there's no more of that
• All gone to work at the double
• Do ti at the double; it's done for now
• Perform at the double and no more of that
• There are no more to do like this, by the sound of it