cock one's toes vs peg out

cock one's toes

verb
  • To die. 

peg out

verb
  • To die. 

  • To mark (a territory or area) with pegs. 

  • To hang up (washing) using pegs. 

  • To finish a game of croquet. 

  • To move one's peg to the last position on the pegboard, and thus win. 

How often have the words cock one's toes and peg out occurred in a corpus of books? (source: Google Ngram Viewer )