banana hammock vs swimsuit

banana hammock

noun
  • A pair of skimpy swim briefs for men. 

  • A male thong. 

swimsuit

noun
  • A garment worn for swimming. 

  • A tight-fitting one-piece garment worn by women and girls. 

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