blob vs hot-air balloon

blob

noun
  • The partially inflated air bag used in the sport of blobbing. 

  • A score of zero. 

  • A small freshwater fish (Cottus bairdii); the miller's thumb. 

  • A shapeless or amorphous mass; a vague shape or amount, especially of a liquid or semisolid substance; a clump, group or collection that lacks definite shape. 

  • A large cloud of gas. 

  • A bubble; a bleb. 

verb
  • To fall in the form of a blob or blobs. 

  • To drop in the form of a blob or blobs. 

  • To drop a blob or blobs onto; to cover with blobs. 

  • To relax idly and mindlessly; to veg out. 

hot-air balloon

noun
  • A balloon-shaped aircraft whose bag is inflated with hot air; it carries passengers and crew in a gondola slung underneath. 

How often have the words blob and hot-air balloon occurred in a corpus of books? (source: Google Ngram Viewer )