Related Clues:

• Creep around
• Move with stealth
• Stealthy sort
• Weirdo
• Preview preview
• ___ preview
• Move at a snail's pace
• Move like ivy
• Despicable sort
• Inch along
• Move close to the ground
• Kind of thief
• Move sneakily
• Secretive sort
• Peeping Tom, e.g.