1. noun /ˌmɪsəˈsɪpi/
I counted five Mississippis between each flash of lightning and the thunder crash that followed.
2. interjection /ˌmɪsəˈsɪpi/
Used to count out a time of about one second, especially in games.
Any reader who uses the old “One Mississippi, Two Mississippi, etc.” method to estimate distance to a storm, and doesnt get any further than a count of five to eight had better be in a safe shelter.
Syn: Magnolia State, Hospitality State, Big Muddy, Missouri, Big River, Body of a Nation, El Grande, El Grande de Soto, Father of Waters, Gathering of Waters, Great River, Mighty Mississippi, Muddy Mississippi, Old Man River
Wikipedia foundation.