fanny about vs lallygag

fanny about

verb
  • To waste time or fool around; to engage in activity which produces little or no accomplishment. 

  • To wander about or prowl around. 

lallygag

verb
  • To dawdle; to be lazy or idle; to avoid necessary work or effort. 

noun
  • Horseplay, fooling around. 

  • A layabout, one who lallygags. 

How often have the words fanny about and lallygag occurred in a corpus of books? (source: Google Ngram Viewer )