Related Clues:

• Remind (with the elbow)
• Gentle poke with elbow
• Gentle reminder …
• Cheesy smile?
• Remind (with the elbow?)
• Push (with a wink?)
• Look amused
• Jog shoulder to shoulder is the way to do it
• Silly smile, maybe
• It may go from ear to ear
• Emulate the Cheshire Cat
• Poke lightly
• Expression for the sheepish
• :-), in an e-mail
• It may run from cheek to cheek