Wiktionary
smack dab
adv. (alternative spelling of smack-dab English)
Usage examples of "smack dab".
We arrived smack dab in the middle of summer, far from the nearest holy day.
Losing his balance, Rafe landed smack dab in the middle of the trough.
It would still be right where it is today, smack dab between the airport and the beach.
Fortunately the house was just old enough that virtually every room had a light fixture smack dab in the middle of the ceiling.