Possible Clues:

• Excessive sentimentality
• Melted caramel, after the melting
• Result of a meltdown?
• 37-Across, e.g
• Local treacly substance isn't bad, in short?
• Sticky substance, or sentimentality
• Baby word or slime
• Viscous mass
• Molasses or melted tar
• Halloween 'blood,' e.g