high nelly vs two-seater

high nelly

noun
  • An old-fashioned utility bicycle, especially one with a step-through frame and high handlebars providing an erect riding posture 

two-seater

noun
  • A vehicle with seats for two people (a driver or pilot and one passenger) 

How often have the words high nelly and two-seater occurred in a corpus of books? (source: Google Ngram Viewer )