When something is extremely bad/terrible/stupid/anything negative but so extreme it can't be described with regular words.
Also a word used a lot by the small YouTuber and streamer
Skeppy Beppy (not related to Minecraft YouTuber
Skeppy) and his
friend Toaster.
Person 1: "Hey dude-"
Person 2: "
Yeah?"
Person 1: "You beaten Sekiro yet?"
Person 2: "No..."
Person 1: "Damn, that stinks."
Person 2: "Very stinky, it is."
Person 1: "The big
stink, some
might say."