even-down vs slap

even-down

adv
  • Thoroughly. 

adj
  • Of rain: pouring straight down. 

  • Of a person: forthright; honest. 

slap

adv
  • Exactly, precisely 

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. 

noun
  • 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. 

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

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