Related Clues:

• Primordial matter
• Go out very slowly
• Defy waterproofing, in a way
• What a big tick on a ruler indicates
• Move like mud
• Slowly leak
• One twelfth of a foot
• Primordial material
• Filter through slowly
• Flow real slow
• Pass (through)
• Rainfall measurement unit
• Go like the Blob
• Foot section?
• Ruler marking