sponging

(verb) wipe with a sponge, so as to clean or moisten. Synonyms: sponge.

(verb) ask for and get free; be a parasite. Synonyms: mooch, bum, cadge, grub, sponge.

(verb) erase with a sponge; as of words on a blackboard. Synonyms: sponge.

(verb) soak up with a sponge. Synonyms: sponge.

(verb) gather sponges, in the ocean. Synonyms: sponge.