Possible Clues:

• Showing the right spirit about, look pleased
• Jack-o-lantern feature
• Happy look
• Amused reaction or what might partner it around joker's finale
• Show one's teeth
• Mr. Peanut's expression
• "___ and bear it"
• ''Silly'' expression
• Grimace to show vexation when tea is not provided
• Goes with Shinedown's "Sin"?