bescumber means to sully with mud or dung. Lexicurio rates it Sui generis — a strength score of 87 out of 100.
Etymology
From be- + scumber.
verb
- To sully with mud or dung.“Where did you lift your leg up last? 'Gainst what? ... Did Block bescumber Statutes white Suit, wi' the Parchment Lace there? And Broker's satin doublet? All will out.”