elbow bump vs swirl

elbow bump

noun
  • A hit or jab made with the elbow. 

  • A hit to the elbow; also, an injury to the elbow caused by such a hit. 

  • The touching of elbows between two people, sometimes as an alternative to a handshake, fist bump, or other form of contact when attempting to avoid the spread of germs. 

swirl

noun
  • A twist or coil of something. 

  • The upward rushing of a fish through the water to take the bait. 

  • A whirling eddy. 

verb
  • To be arranged in a twist, spiral or whorl. 

  • To circulate. 

  • To twist or whirl, as an eddy. 

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