People in photos, usually

• Happy people
• They say "Cheese!"
• Photographer's subjects, often
• Ones who say "Cheese!"
• 'Cheese!' sayers
• Most clowns
• Pleasant-looking people

Wiktionary Word definitions in Wiktionary
n. (plural of smiler English)

Wikipedia Word definitions in Wikipedia
Smilers is an Estonian rock band formed in 1991 by Hendrik Sal-Saller . The name comes from a Rod Stewart album, Smiler . The band was first named Lezer Brozers. In the early years they tried in Finland with two albums, but didn't find success, so they ...