Related Clues:

• 'Bye'
• ''So long!''
• ''Bye-bye!''
• "See ya!"
• Ta-ta
• ''Ta-ta''
• "Ta-ta"
• "Ta-ta!"
• "See ya later!"
• Bone (of sorts) given to dog without lead (loves chow, we hear)
• I'm off to old resort on northbound tube
• Spooner's tail of dog - chow, we hear?
• So long to Spooner's dog-end?
• Bye-bye!
• It may be said when 15