Related Clues:

• Viciously denigrate
• "Ghostbusters" gunk
• Sticky, yucky stuff
• Hair gel, for example
• Nickelodeon-style gunk
• It's ill-defined
• Slug secretion
• Nursery sound
• Baby's first word?
• Amorphous lump
• Comment from the cradle
• Melted Popsicle, e.g
• Baby's word or baby's food
• Garden? Try one of the other two when disheartened
• Amoeba, e.g