Lyric discussion by meinHeld 

Cover art for In a Big City lyrics by Titus Andronicus

"I don't know much but I know which side's buttered on my toast"

sounds like a ref to Dr. Seuss's "The Butter Battle Book." It's about a senseless, devastating war between two nations based on trivial things (which side of the toast they like their butter on). Yep Seuss still hits the nail on the head.

Song Meaning

I thought that too, but I have come to lean towards another explanation.

I would say it is another absurd reference, to the idiom "I don't know much, but I know which side is buttered on my toast", which basically is "Know what will end up getting you the most, and make that decision". Kind of reacting on senses and instant gratification in an absurd world, similar to Merscault in Albert Camus's "The Outsider".

But your interpretation could still be right. Even though a lot of feud's can be be pointless, it could be...