Related Clues:

• One checking out?
• One who's 'just looking'
• Admirer from a distance
• Distant admirer
• Loupe user, say
• Admirer at a distance
• Gawker
• Close observer
• Vigilant one
• One being unsubtle, perhaps
• Scrutinizer
• Spud bud remover
• Observant individual
• Binoculars user
• One making sidelong glances