living end vs tiptop

living end

noun
  • The most extreme form of something or the final and most impactful development in a series of events — whether favorable or unfavorable 

tiptop

noun
  • The very topmost point. 

  • The highest or utmost degree; the best of anything. 

  • Oral stimulation of the male member, a blowjob (more commonly top). 

adv
  • Excellently; in a first-rate manner. 

How often have the words living end and tiptop occurred in a corpus of books? (source: Google Ngram Viewer )