Related Clues:

• Green-light indicator
• [That is, like, so last week]
• Silent okay
• Sotheby's signal
• Land east of Eden
• [Been there, done that]
• React with ennui
• Okay
• Sign of approval
• Auction gesture
• Friend of Wynken and Blynken
• Show approval
• Auction assent
• Affirmative action?
• Wooden shoe passenger