Related Clues:

• Primordial matter
• Go out very slowly
• Defy waterproofing, in a way
• Move like mud
• Slowly leak
• Primordial material
• Filter through slowly
• Flow real slow
• Pass (through)
• Go like the Blob
• Leak (through)
• Have in spades
• Trickle in or out
• Barely pass (through)
• Flow like sludge