Possible Clues:

• Ear-to-ear expression
• It might be boyish
• Glaring when a lag is released with visible delight
• Do this and go from England to be in South America
• About �royal tipple,� laugh
• Prankster's look
• Hard work finishes early ... producing this?
• : ) in an e-mail
• Sheepish look, maybe
• Might this go with such a smile from the States