dink vs piston

dink

verb
  • To play a soft drop shot. 

  • To play a soft drop shot at or near the non-volley zone. 

  • To carry someone on a pushbike: behind, on the crossbar or on the handlebar. 

  • To chip lightly, to play a light chip shot. 

noun
  • A ride on the crossbar or handlebars of a bicycle. 

  • Hard work, especially one's share of a task. 

  • A penis. 

  • A foolish person, a despised person. 

  • A soft drop shot played at or near the non-volley zone. 

  • A soft drop shot. 

  • A light chip; a chipped pass or shot 

adv
  • Honestly, truly. 

adj
  • Honest, fair, true. 

  • Genuine, proper, fair dinkum. 

piston

verb
  • To move up and down or in and out like a piston. 

noun
  • A solid disk or cylinder that fits inside a hollow cylinder, and moves under pressure (as in an engine) or displaces fluid (as in a pump) 

  • A valve device in some brass instruments for changing the pitch 

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