Related Clues:

• 'So long, Sofia!'
• ''Ciao, baby!''
• 'Buh-bye!'
• 'Until next time!'
• Hi — bye
• Brit's "bye!"
• 'Ta-ta,' in Torino
• What The Cult said to "Edie"
• Lush song about goodbye?
• "I'm off, old chap!"
• Soho send-off
• "Bye, old bean!"
• 82 Down farewell
• Casual parting ... and a hint to this puzzle's four longest answers
• 'Toodles,' in Twickenham