Pfizernated Share definition Flag Verb: To have been inoculated with one or more doses of the Pfizer–BioNTech COVID-19 vaccine. I received two doses of the Pfizer COVID-19 vaccine at the recommended time intervals; I'm fully Pfizernated! Pfizernated by NOwenz May 31, 2021 0 0 Get merch Get the Pfizernated mug. Buy Now — $32.95 See more merch