daffy vs doolally tap

daffy

adj

  • Somewhat mad or eccentric. 

noun

  • A daffodil. 

doolally tap

adj

  • Mad, insane, eccentric. 

noun

  • Camp fever; by extension, madness, eccentricity. 

How often have the words daffy and doolally tap occurred in a corpus of books? (source: Google Ngram Viewer )