diddle vs double bass

diddle

noun
  • The penis. 

  • In percussion, two consecutive notes played by the same hand (either RR or LL), similar to the drag, except that by convention diddles are played the same speed as the context in which they are placed. 

intj
  • A meaningless word used when singing a tune or indicating a rhythm. 

verb
  • To cheat; to swindle. 

  • To waste time. 

  • To molest. 

  • To masturbate (especially of women). 

  • To totter, like a child learning to walk; to daddle. 

  • To manipulate a value at the level of individual bits (binary digits). 

double bass

noun
  • The deepest of all male voices. 

  • The largest stringed instrument of the violin family. 

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