1) A situation where the person displays their demise.
2) A remark to show one's dissatisfaction with an occurance, which can often replace the remark "Fuck!"
3) An expression for the person who regrets his/her choices
Example: When the Legendary Super Saiyan, Goku, realizes he will die in the explosion of Planet Namek his last screaming words "Damn It To Hell" as the lava of the planet bursts onto his body. This was an occurance which he could've prevented earlier.