Related Clues:

• Subtle auction bids
• Moves of agreement
• Tijuana time-outs
• Metallica "Until It ___"
• Neil Young & Crazy Horse "___ With Angels"
• Audition acceptances
• Headbanger does this during slow jams, perhaps
• Award nominations, slang
• Nonverbal audition responses
• Catches a few Z's
• Gives silent approval
• Approves silently
• Baja naps
• Gets a few winks
• Signals to the auctioneer