Related Clues:

• Mopey look
• Pull a face
• Curled-lower-lip expression
• Be in a pet
• Be pouty
• Model behavior
• Look mopey
• Push out the lips (alluringly?)
• Keep being mad, perhaps
• Be in a bad mood at small university kerfuffle initially
• Act the sore loser, say
• Show some lip?
• Be mopey
• Be a bad loser
• Be in pet