idle vs spring fever

idle

noun
  • The state of idling, of being idle. 

  • An idle game. 

  • The lowest selectable thrust or power setting of an engine. 

  • An idle animation. 

adj
  • Not engaged in any occupation or employment; unemployed; inactive; doing nothing in particular. 

  • Not being used appropriately; not occupied; (of time) with no, no important, or not much activity. 

  • Averse to work, labor or employment; lazy; slothful. 

  • Of no importance; useless; worthless; vain; trifling; thoughtless; silly. 

verb
  • To spend in idleness; to waste; to consume. 

  • Of an engine: to run at a slow speed, or out of gear; to tick over. 

  • To lose or spend time doing nothing, or without being employed in business. 

spring fever

noun
  • A feeling of laziness or listlessness associated with the arrival of the warm, comfortable weather of the spring season. 

  • A feeling of invigoration and restlessness associated with the arrival of the warm weather and renewal of nature in the spring season. 

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