Related Clues:

• Move clandestinely
• Quarterback ___
• Move very quietly
• Slither like a snake
• Creep about on tiptoes
• Tiptoe, maybe
• Tiptoe deviously
• With 25-Across, secretly enter
• ___ peek
• Be sly
• Quarterback maneuver
• Move like a femme fatale
• Creep (up on)
• Quarterback ___ (tricky football play)
• Move on tippy toes