half-cracked vs tonto

half-cracked

adj

  • crazy; demented 

tonto

adj

  • Synonym of crazy. 

noun

  • a traditional Ugandan fermented beverage made from bananas 

  • Synonym of idiot: someone who is foolish or stupid. 

How often have the words half-cracked and tonto occurred in a corpus of books? (source: Google Ngram Viewer )