knock about vs slalom

knock about

verb
  • To move or roam around aimlessly. 

  • To be mislaid in a place. 

  • To engage in a relaxing activity in a place; to hang around in. 

  • To be present at or inhabit a certain place. 

  • Often followed by with: to spend time companionably; to hang around. 

  • To live an unconventional life. 

  • To hit (someone or something) all over repeatedly; hence, to behave violently towards or mistreat (someone or something). 

slalom

verb
  • To move in a slalom-like manner. 

  • To race in a slalom. 

noun
  • A race or competition wherein participants each perform the sport of slalom. 

  • A course used for the sport of slalom. 

  • The sport of skiing in a zigzag course through gates. (Often used attributively) 

  • Any similar activity on other vehicles, including canoes and water skis. 

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