RichThesaurus
unavailing
vs
useless as tits on a boar hog
unavailing
adj
Fruitless, futile, useless.
useless as tits on a boar hog
adj
Ineffectual, pointless.
How often have the words
unavailing
and
useless as tits on a boar hog
occurred in a corpus of books?
(source:
Google Ngram Viewer
)