Dirt Cheap's brand "Dirt Cheap" beer is pretty rancid (for those who don't know, Dirt Cheap is a St. Louis Liquor and Smoke chain). Looks like they use a third party to brew it for them but they control the ingredients and distribution of the beer.
I've actually been working on a 3 gallon extract clone if anyone wants to try it out:
4oz yard grass clumps directly from the lawn mower on a moist summer morning
60 min boil adding 1 oz grass at 60,15, and 5. Be sure to stir throughout the boil, you don't want the dirt to clump.
.5 oz grass at flameout.
I'm sure there is enough living organisms in the grass and dirt to accommodate so you can skip the yeast.
primary for 7 days, DH with last .5oz grass in secondary for 14 days, skip the bottles; JAR this bad boy.
Best served luke warm to somebody you dislike. A lot.
EDIT: +1 to Rolling Rock as well. Not a fan at all...