RichThesaurus
not worth a whistle
vs
twopenny
not worth a whistle
adj
Worthless or pointless.
twopenny
adj
Cheap; worthless; petty.
Having a value or cost of twopence.
How often have the words
not worth a whistle
and
twopenny
occurred in a corpus of books?
(source:
Google Ngram Viewer
)