1) Any situation where the outcome could result in your undoing. Usually in some freaky ass accident, as seen in the Final Destination movies.
2)Exclaimed after or used to describe an event that ACTUALLY WAS like a situation from the Final Destination movies.
1)"yo guy, change lanes. driving behind a log truck is some final destination-type shit."
2)"i really wasn't expecting to see a kid get hit by a milk truck today, that was some final destination-type shit!"