blacksnake vs nagaika

blacksnake

noun

  • A long, tapering whip. 

  • A penis, especially a black penis. 

verb

  • To whip with a long, tapering whip. 

nagaika

noun

  • A short, thick braided whip with a round cross-section, used by the Cossacks. 

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