down for the count vs down the tubes

down for the count

adj

  • Decisively beaten; defeated; rendered irrelevant for the long term. 

  • Unconscious or sound asleep. 

down the tubes

prep

  • Synonym of down the toilet: wasted; irretrievable. 

How often have the words down for the count and down the tubes occurred in a corpus of books? (source: Google Ngram Viewer )