burn out vs dack

burn out

verb
  • To have one's tires skid against the ground; to peel off, peel out. 

  • To end one's shift at a job. 

  • To destroy by fire. 

  • To cause (someone) to tire due to overwork; to cause (someone) to overwork to one's limit. 

  • To make (someone) unavailable for work involving exposure to ionizing radiation by employing (the person) in such work until the person's accumulated exposure reaches the maximum permitted for an administrative period, typically a year. 

  • To tire due to overwork; to overwork to their limit. 

  • To become extinguished due to lack of fuel. 

  • To become nonfunctional (especially of lightbulbs or similar light-producing devices). 

noun
  • (of a person) The condition of tiredness due to overwork. 

dack

verb
  • To pull down someone's trousers as a practical joke. 

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