RichThesaurus
not worth a dime
vs
useless as tits on a boar hog
not worth a dime
adj
worthless, lacking in value.
useless as tits on a boar hog
adj
Ineffectual, pointless.
How often have the words
not worth a dime
and
useless as tits on a boar hog
occurred in a corpus of books?
(source:
Google Ngram Viewer
)