bugger off vs whistle in the wind

bugger off

verb

  • To leave, go away, disappear. 

intj

  • Go away. 

  • An expression of disagreement or disbelief. 

whistle in the wind

verb

  • To attempt something that is futile; to say something that is not heeded. 

How often have the words bugger off and whistle in the wind occurred in a corpus of books? (source: Google Ngram Viewer )