Dead shit is another way of saying dead serious popularized by Vidalia Ga born Kansas residing Brvkwall k8t0. Most commonly used by kansanites around 2024 but k8t0 is the one who coined the phrase.
Dude 1: Bro are you serious about going to the function tonight? Itâs gonna be hella opps there.
Dude 2: man Iâm dead shit bro. Iâm going i donât care who out there.