Related Clues:

• Cheers echoed for so long
• Excellent run produces cheers
• 6 Down
• “See ya!”
• “Buh-bye!”
• “Toodles!”
• Breezy “bye!”
• Brit's "Ciao!"
• 17 Across alternative
• One way to say goodbye
• "Ciao, old chap!"
• Fancy "bye-bye"
• Half of TTFN
• Brit's "I'm off!"
• “Cheerio!”