>>6297229S O Y, like the Kikoman red/green-capped bottles that dispense sauce you get from sushi restaurants. Or basedjacks.
Looks like 4chan is still in the habit of autocorrecting a bunch of arbitrary words. What a pain in the ass.
In any event, the ration bricks are a reference nod to the novel series <span class="mu-i">Frontlines</span> by Marko Kloos and the film <span class="mu-i">Onions Green</span> (1978) minus the fact that it's not actually corpse starch. Just hyper-processed edamame cousins.
The Terran Commonwealth found S O Y beans sufficiently protein-dense and easy to mass produce/process into ration bricks. Meat is prohibitively expensive unless you're eating steak and burger patties derived from bugs. Even on Terra, the cradle of the Commonwealth, much of the population living beneath the poverty line in government hab(itation)-blocks queue up in "bricklines" to receive a guaranteed daily meal.
As a rough napkin-math point of reference, a carton of eggs costs 100 $CD (Commonwealth Dollars). The average daily wage of a habber or slum-bum is only 87 $CD, and their average monthly earnings are around only 2,600 $CD (poverty line) before other expenses.