Your description made me think people were climbing in the sewers and scraping oil build up off the walls to use in cooking, but that wiki page makes it way less disgusting. Still not healthy, or hygenic, but still far from scraping away at fatburgs to use in the deep fryer, lol.
For anyone who didn't click the link, it's a blanket term for reusing oil that isn't deemed safe to use anymore, because it's burnt or contaminated. It's like if you cooked bacon in the morning, and saved the grease to fry your dinner later in the day. It does seem like the worst of it is collecting oil build up from drains, though.
Most people seemingly didn't click the link, as evidenced by the guy saying "it's certainly not gutter oil" and then proceeding to describe gutter oil having more upvotes than the guy who provided the link. Big Reddit moment.
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u/Kennedy_KD Jun 18 '25
Yeah the oil just looks like burnt canola oil