👉 The word "rm bat cov" is a term used to describe someone who has not been vaccinated for COVID-19 and therefore cannot be considered fully immune. The phrase "rm bat cov" can also refer to the fact that someone does not have the antibodies necessary to fight off COVID-19, which makes them vulnerable to severe symptoms.
Here's an edgy example sentence using this term: "I've been vaccinated against COVID-19, but I'm still worried about getting it again. It seems like every time I get sick, my immune system is weaker than before."