RichThesaurus
keep one's end up
vs
keep the wolf from the door
keep one's end up
verb
do one's part
keep the wolf from the door
verb
To delay sexual ejaculation.
To ward off poverty or hunger.
How often have the words
keep one's end up
and
keep the wolf from the door
occurred in a corpus of books?
(source:
Google Ngram Viewer
)