Related Clues:

• Prankster's look
• Sheepish look, maybe
• Frown, upside down
• Ear-to-ear expression
• Mischievous expression
• Ray, as of sunlight
• Sly smile
• Boyish smile
• Show of pride
• Cantilever, e.g.
• "... but a __ without a cat!": Alice
• Roofing support
• Happy expression
• It may run from ear-to-ear
• Cat-who-got-the-canary smile?