Where does this definition of plum duff come from?
This entry for plum duff is sourced from Main Dictionary, one of the dictionaries and corpora merged into Lughet.
Is plum duff a noun, verb, or something else?
In this entry, plum duff is tagged as 2n..
What is Lughet?
Lughet is a free trilingual dictionary covering nearly five million entries across Uyghur, Chinese, and English, drawn from more than ten source dictionaries and corpora.