nerdbrain vs wacko

nerdbrain

noun

  • A nerd; a socially awkward brainy person. 

wacko

noun

  • An amusingly eccentric or irrational person. 

adj

  • Amusingly eccentric or irrational. 

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