from Wiktionary, Creative Commons Attribution/Share-Alike License
- v. To mix clay and water.
from the GNU version of the Collaborative International Dictionary of English
- transitive v. To amalgamate and blend; to beat up or mix in water, as clay.
from The Century Dictionary and Cyclopedia
- To mix (clay) with a blunger.
Probably imitative; compare plunge, blend. (Wiktionary)