Possible Live Mortar Shell Brought Into Nimrod Bar Ah, good ol' Nimrod. I pass by the sign every summer weekend on my way up Detroit Lakes way. I used to wonder how they ever came up with a name like Nimrod. Growing up, nimrod was always a derogatory name to call someone but after further investigation, it turns out it means something like "great hunter". Credit: Baxter I have never spent any time in Nimrod but I assume there isn't an abundance of excitement most days there. This last Sunday may have been an exception. About 3:30 Sunday afternoon the Wadena Sheriff's Department got a call from the Nimrod Bar from someone saying they had found, what appeared to be a mortar shell.