unworkable vs useless as tits on a boar hog

unworkable

adj

  • Not workable or operable; not practical; unmanageable. 

noun

  • Something that is not workable, or cannot be made to work. 

useless as tits on a boar hog

adj

  • Ineffectual, pointless. 

How often have the words unworkable and useless as tits on a boar hog occurred in a corpus of books? (source: Google Ngram Viewer )