Related Clues:

• "Gotta run!"
• 'Later, alligator!'
• Law of the local authority
• Run scored in cricket from a ball that passes batman
• Run scored in cricket from unhit ball
• Casual and informal goodbye
• Informal kind of au revoir - with visual intent
• Get one to advance to the next round without playing an opponent
• Have a double of this before you go
• This extra is no greeting if it comes at the double
• One might go and say this at the double
• At the double at parting
• It's said to be good at parting for 22 down
• Such extra may come at the double on parting
• Fare well with such an extra double