Related Clues:

• Trademark of the Cheshire cat
• Corn, perhaps drawing out a broad smile
• Big grin
• Pleasant facial feature
• Parenthesis in a text, at times
• Right parenthesis in a text, perhaps
• Pre-shot order
• Be visibly delighted
• Expression of happiness
• Call before a snap
• Smile wryly
• Expression in a toothpaste ad
• Jerry Lewis's TV theme song
• Alfred E. Neuman's expression
• Mona Lisa's enigmatic expression