ask for it vs pester

ask for it

verb
  • To provoke an unwanted action. 

  • Used other than figuratively or idiomatically: see ask for, it. 

pester

verb
  • To bother, harass, or annoy persistently. 

noun
  • A bother or nuisance. 

How often have the words ask for it and pester occurred in a corpus of books? (source: Google Ngram Viewer )