adrenaline junkie vs tripper

adrenaline junkie

noun
  • One who is seemingly addicted to the sensation of exhilaration associated with risky behaviors or exciting situations, and who actively seeks such opportunities. 

tripper

noun
  • One who trips or stumbles. 

  • A person experiencing a hallucinogenic trip. 

  • A tourist. 

  • Synonym of tripman 

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