drone vs slap

drone

noun
  • A humming or deep murmuring sound. 

  • One of the fixed-pitch pipes on a bagpipe. 

  • One who performs menial or tedious work. 

  • A person without the ability to think critically and independently, especially one who follows a group blindly; a non-player character. 

  • A remotely controlled aircraft, an unmanned aerial vehicle (UAV). 

  • A Toyota HiAce or a similar van, especially one used by Ugandan state agents to kidnap opposition members. 

  • A male ant, bee or wasp, which does not work but can fertilize the queen. 

  • A genre of music that uses repeated lengthy droning sounds. 

  • A low-pitched hum or buzz. 

verb
  • To speak in a monotone way. 

  • To produce a low-pitched hum or buzz. 

  • To kill with a missile fired by unmanned aircraft. 

slap

noun
  • A sharp percussive sound like that produced by such a blow. 

  • The percussive sound produced in slap bass playing. 

  • An eye-catching sticker used in street art. 

  • Makeup; cosmetics. 

  • A blow, especially one given with the open hand, or with something broad and flat. 

verb
  • To impose a penalty, etc. on (someone). 

  • To play slap bass on (an instrument). 

  • To be excellent. 

  • To cause something to strike soundly. 

  • To strike soundly against something. 

  • To place, to put carelessly. 

  • To give a slap to. 

adv
  • Exactly, precisely 

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