Related Clues:

• Close observer
• 7-Down user
• Vigilant one
• One being unsubtle, perhaps
• Scrutinizer
• Spud bud remover
• Observant individual
• Binoculars user
• One making sidelong glances
• One doing the looking
• One enjoying the sights
• Peeping Tom, e.g
• Good-looking person?
• One who checks you out
• One who's "just looking"