Related Clues:

• Show amusement with gym-goer discontented at home
• Friendly — or sly — look
• What you do just for grins?
• Show teeth, perhaps, first one extracted in a figure of speech
• Happy face
• Parenthesis, in an emoticon
• "Cheese" product?
• Katy Perry album with the single "Cry About It Later"
• Expression that might be evil or silly