flog the log vs toss off

flog the log

verb

  • To masturbate. 

toss off

verb

  • To masturbate. 

  • To drink up rapidly. 

  • To assemble hastily. 

  • To deliver in an offhand manner. 

How often have the words flog the log and toss off occurred in a corpus of books? (source: Google Ngram Viewer )