Related Clues:

• Epitome of happiness
• Stop talking, with 'up'
• Something found in a bed
• Certain stew ingredient
• Symbol of uncommunicativeness
• Stolid sort
• Chowder shellfish
• Untalkative sort
• Bit of dough
• Pearl harborer?
• Be silent, with "up"
• Smackeroo
• No blabbermouth
• Mother of pearl?
• Edible shellfish