Possible Clues:

• Augustus ___ ('Willy Wonka & the Chocolate Factory' child who falls into a chocolate river)
• Thick, liquidy clump
• Thick liquid
• Semiliquid stuff
• Augustus -- ('Charlie and the Chocolate Factory' character)
• Sticky stuff, gallons, on body of water, surfacing
• Gluttonous Augustus in "Charlie and the Chocolate Factory"
• Force frog to make a sticky mess
• Sticky mass there's little room for racing cars to get around
• German on consortium brought up sticky matter