Related Clues:

• Farewell, steel company
• "So long," in Surrey
• Terriers repeatedly see you
• Brit's "bye-bye"
• Pompous "bye"
• ''Ciao, baby!''
• 'Buh-bye!'
• 'Until next time!'
• Brit's "bye!"
• "I'm off, old chap!"
• Soho send-off
• "Bye, old bean!"
• Casual parting ... and a hint to this puzzle's four longest answers
• 'Toodles,' in Twickenham
• Brighton "Bye!"