exactly vs smack-dab

exactly

adv
  • Precisely, used to provide emphasis. 

  • Without approximation; precisely. 

intj
  • Signifies agreement or recognition. 

smack-dab

adv
  • Exactly in a place, especially the middle; directly; precisely; dead-center. 

How often have the words exactly and smack-dab occurred in a corpus of books? (source: Google Ngram Viewer )