Related Clues:

• It might be silly
• Show amusement
• Ear connector, at times
• Smile of the smug
• Impish smile
• Cheshire cat expression
• Crack a smile, e.g.
• Smile smugly
• Self-satisfied smile
• It shows a lot of teeth
• Show delight, in a way
• Broad beam
• :D, in an e-mail
• Jack-o'lantern feature
• Upside-down frown