The main topic the $uicideBoy$ deal with in this track, as the title implies, is death. And the “2 birds” may actually be a reference to the Boy$ themselves. However, where the “22 stones” comes in...
“nothingleftnothingleft” has a pessimistic tone, to say the least. Actually what it seems to be based on is more of an apocalyptic view, as in the singers feeling that we are all going to die...