Related Clues:

• Jacket fastener, sometimes
• Break unexpectedly
• Picture cards
• Clicking fastener
• Chain attachment
• Sudden cold spell
• Lose one's self-control
• "Nice insult!"
• Gingery cookie
• Get the picture?
• __ pea
• Go 12-Down
• Pass the breaking point
• Pop's pal, at breakfast?
• Center-to-quarterback exchange