Related Clues:

• Shut up
• 'Bye now'
• Parting remark
• Bye
• Utterance on the way out
• ''Later!''
• Call for attention
• ''Pardon me!''
• It's heard from one taking off
• A person may go off with this
• Coughlike utterance
• A farewell remark
• Bye word
• Comedian's bit
• It's heard while leaving