wipe with a sponge, so as to clean or moisten
ask for and get free; be a parasite
erase with a sponge; as of words on a blackboard
soak up with a sponge
gather sponges, in the ocean
- David kept sponging from his friend Jack, though he knew well that Jack's money wouldn't last for ever.
- The three children have been sponging on their grandparent for over ten years.