tro tro vs yellow cab

tro tro

noun
  • A minibus operating as a share taxi in Ghana. 

yellow cab

noun
  • Synonym of taxi. 

  • An Asian woman who sleeps with white men, particularly such Japanese women when regarded as a race traitor. 

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