Cold

Its basically about a person who is lost in the world and is "cold", not feeling anything, and just trying to find meaning in the world.

I agree. Seems like it's about someone who has lost their way and doesn't know what to do or how to deal with it. Seems like he regrets a lot of his decisions and has a lot of second thoughts and he knows that there's no one else to blame but himself. I think he wants to change his ways but doesn't know how and it hurts him thinking about all that he's done.

I see the song's meaning as a general view of the world as well the singer's self:

"I'm gazing upward, a world I can't embrace There's only thorns and splinters, venom in my veins It's okay to cry out, when it's driving you insane But somehow someday, I'll have to face the pain"

They've been so hurt by people in the world, made fun of, attacked, insulted, whatever happened to them caused them so much pain to the point that they no longer see themselves as apart of the world that they live in. They're constantly enduring tons of pain, but they feel like, one day, they'll just have to deal with it, unfortunately.

"It's all gone cold But no one wants the blame It's all so wrong But who am I, who am I to say?"

I feel like this is a pretty important part of the song; they're saying that, although the world is very dark, hurtful, and cold, they're also a part of it. Though the singer is complaining about the people around them, they too realize that they are also a person at the end of the day. So they feel like there's nothing they really have to say in the matter (which I feel like shows ultimate humbleness).

"My heart's an endless winter filled with rage I'm looking forward to forgetting yesterday"

The singer's incredibly infuriated and perhaps turns to alcohol (I know Ivan Moody [5FDP singer] did this for a while to forget the pain he was enduring).

So basically, I think that the song's about a person living in a world that leaves them cold; they don't want to be a part of it, it's a terrible, awful place filled with pain and suffering caused by people, but then again, at the end of it all, they, too, are a person, and realize that there's nothing they can really say about it.

The song is about a person who has done something terrible. They feel bad for their actions. They feel like they need to make up for the things they have done but the cost is too great and just to survive they have to shut it down. They keep it in check but still feel the pain and rage that had been quelled by heart that has been turned cold just to survive with the things they have done.