I think the meaning of this song is that a guy breaks up with his girlfriend and is so mad that he ends up killing her. Then he probably just stops caring about the world, his and everyone else's, and by doing that he hurts other people in the process, wich makes him want to die and get away fom the pain that is killing him on the inside.
Idk. This song is pretty vague so it could be talking about anything but this explanation is what I got. :)