There's really no point to writing this description, it won't make the least bit of a difference for anyone who listens to it. 
If there's any advice I can give this is it: if after having listened to the EP, you still think it's about pigs or pig heads, you shouldn't listen to it again. 
There is a real pig-head reference in the project (either here or in the vomit part) but it is just symbolic and quite inconsequential (kinda like the cow-head scene in Gozu). The real content of the album is much more related to zombies, cyborgs, helicopters and rat-faced ostriches.
I do hope you enjoy it and, to go with it, I recommend cheap vodka and vanilla ice-cream.

Ed's Nightmare

Mr. Gloomy