Possible Clues:

• Shower gel, e.g
• Failed fudge, maybe
• Honey or hot tar
• Go round something sticky
• Slimy paste
• Mucky stuff
• Sticky, sloppy, oozing paste-like yuck-slime that moves
• Flubber, e.g
• Caramel at 172 degrees
• What a chocolate bar in a dryer becomes