The Collaborative International Dictionary
                    Dunging
                    
                        
                
                                                                    Dung \Dung\, v. t. [imp. & p. p. Dunged; p. pr. & vb. n. Dunging.]
- To manure with dung. 
 --Dryden.
- (Calico Print.) To immerse or steep, as calico, in a bath of hot water containing cow dung; -- done to remove the superfluous mordant. 
Wiktionary
                    dunging
                    
                        
                
                                                                    n. An application of manure, to fertilize land. vb. (present participle of dung English)
Usage examples of "dunging".
She reached out and grabbed the dunging fork from its hook on the wall.
Accordingly there would be little field dunging to be done, there being no fields in the first place and no dung in the second.