Related Clues:

• "___ in your mouth, not . . ."
• Begins to thaw
• Becomes friendlier
• Dissolves into a puddle
• Warms
• What ice cream does in the sun
• Liquefies plastic, say
• Alters states
• Sandwich options
• Goes 'awwwww'
• Gets all gooey
• Tuna sandwiches
• Warming periods
• Goes from one state to another
• Gooey sandwiches