thumbling vs tip drill

thumbling

noun
  • A tiny, thumb-sized person; manikin 

  • Anything small, comparable to the size of a human thumb 

tip drill

noun
  • A person who is gangbanged. 

  • Synonym of butterface: A person with an attractive body but an ugly face. 

  • A practice drill where a line of players improve their rebounding skills by catching a rebound in the air, tossing the ball back against the backboard before landing, and returning to the end of the line to go again. 

How often have the words thumbling and tip drill occurred in a corpus of books? (source: Google Ngram Viewer )