clock-watcher vs delayer

clock-watcher

noun
  • A person who is eager for time to pass (e.g., at work or school), especially when faced with an undesirable task. 

delayer

noun
  • One who delays. 

  • A substance that is used to slow the rate of combustion of a solid rocket fuel so as to make it more controllable 

verb
  • To remove layers from; to strip away levels from. 

How often have the words clock-watcher and delayer occurred in a corpus of books? (source: Google Ngram Viewer )