bush league vs out to lunch

bush league

adj
  • Amateurish, unprofessional, unpolished, juvenile. 

  • Of inferior quality. 

noun
  • A professional sports association at the lower levels of minor league organization. 

  • A low-ranking or inferior level among groups, professions, organizations, etc. 

out to lunch

adj
  • Clueless, inattentive, or careless. 

  • Away eating lunch or for a midday break; especially, away from work or a job. 

How often have the words bush league and out to lunch occurred in a corpus of books? (source: Google Ngram Viewer )