thunderbolt vs train wreck

thunderbolt

noun
  • An event that is terrible, horrific or unexpected. 

  • A flash of lightning accompanied by a crash of thunder. 

  • Vehement threatening or censure; especially, ecclesiastical denunciation; fulmination. 

  • A very powerful shot. 

  • A belemnite, or thunderstone. 

  • A daring or irresistible hero. 

  • A charge in the form of two joined bundles with four rays of lightning emerging from them, resembling the thunderbolt of Jupiter. 

train wreck

noun
  • A disaster, especially one which is large in scale and readily seen by public observers. 

  • The aftermath of a train crash. 

  • Someone (especially a woman) who is unbalanced and considered a mess, a disaster, one who is suffering personal ruin. 

verb
  • To ruin utterly and catastrophically, to cause to end in disaster. 

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