brain fart vs disregard

brain fart

noun
  • An instance of absent-mindedness or forgetfulness. 

  • Something ill-considered and said or done impulsively. 

disregard

noun
  • The act or state of deliberately not paying attention or caring about; misregard. 

verb
  • To ignore; pay no attention to. 

How often have the words brain fart and disregard occurred in a corpus of books? (source: Google Ngram Viewer )