like an absent-minded professor vs moony

like an absent-minded professor

moony

adj
  • Resembling the moon. 

  • Silly; sentimental; mooning over something. 

  • Moonlit. 

  • Sickly or tipsy. 

  • Absent-minded. 

noun
  • The act of mooning, flashing the buttocks. 

How often have the words like an absent-minded professor and moony occurred in a corpus of books? (source: Google Ngram Viewer )