YODO

Antonym of yolo meaning, "You Only Die Once." ,

J. Doe #1: hey bra, we should go sky divin'!
J. Doe #2: Yolo!
Combat Vet: Yodo.

J. Doe #1&2: Yodo? Wtf?
Combat Vet: Ya only die once too dumbass! Wtf are you gonna die for?!