Used to describe a continuous state of undesirable conditions. It's janky as a consequence of its existence. Something so fucked up that it will never be the same again i.e., scorched earth.
Dude 1: "If so-and-so" get's elected, this shit will turn into Jankonia"
Dude 2: "Naw son, this shit be Jankonia"
Dude 3: "Word"