flapdoodle vs whiff-whaff

flapdoodle

noun
  • Nonsense. 

  • A speaker or writer of nonsense. 

  • Thingamabob. 

verb
  • To con; to deceive with nonsense. 

whiff-whaff

noun
  • The breathy sound of something rushing quickly; whoosh. 

  • Unnecessary items or additions. 

How often have the words flapdoodle and whiff-whaff occurred in a corpus of books? (source: Google Ngram Viewer )