The Collaborative International Dictionary
Bescumber
Bescumber \Be*scum"ber\, Bescummer \Be*scum"mer\, v. t. [Pref.
be- + scumber, scummer.]
To discharge ordure or dung upon. [Obs.]
--B. Jonson.
Wiktionary
bescumber
vb. (context obsolete English) To discharge ordure or dung upon.