smack-dab

/S M AE1 K D AE0 B/
adverb
  1. 1

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

    โ€œI tossed the water balloon and it landed smack-dab on the top of his head.โ€

Source: https://en.wiktionary.org/wiki/smack-dab