Someone advocating for, or imposing, vaccination or biosecurity measures in a coercive or totalitarian fashion, i.e. in a style reminiscent of a Nazi. Plural: Vaxis.

to rince ones hemet with bleach

Vaxy- Hot girls.
Vax- is the singular version means Hot girl.

Vaccinated. Immunized. Safe to get into whatever fucked-up shit you want to with a goddamned mask.

when you clean your bell with bleach

Everyone knows what a selfie is. A vaxie is a self-congratulatory selfie you post to Facebook after each dose of your COVID vaccine. Posting your side effects in great detail earns you extra good citizen points. Posting a vaxie is way cooler than say... posting images from your last colonoscopy (which also shows your audience how brave and awesome you are, but it's not as trendy).

to describe one who has been vaccinated