Related Clues:

• Layer of a bed
• Slimy stuff
• Seep (through)
• Creep through the cracks
• Flooding deposit
• Move like flood mud
• Behave like lava
• Become entangled
• Behave like lava out of a volcano
• Riverbank residue
• Slimy semi-liquid
• Bungle, with "up"
• Exit gradually, very gradually
• Delta's connection
• Pond mud