Related Clues:

• Enter via osmosis
• Behave like goop
• Soft mud
• Get (through), eventually
• Move like Slimer
• Squishy stuff
• Exhibit aplenty, as confidence
• Seep like sap
• Act like slime
• Escape through a crevice
• Move very slowly
• Drain through the cracks
• Leak (through the cracks)
• Trickle (through the cracks)
• Ooze (out)