drum roll vs whump

drum roll

noun
  • A sound produced by hitting a drum repeatedly and rhythmically over short intervals. 

whump

noun
  • A thumping sound. 

  • A genre of fan fiction in which a character endures injury, torture, or other forms of physical and mental suffering. 

verb
  • To strike something with a whump. 

How often have the words drum roll and whump occurred in a corpus of books? (source: Google Ngram Viewer )