The new person to the group, usually explained as the 'cool one' of the group
and inherently the most attentative, and atractive person. His past is unknowable

Got the covid-19 vaccine

refers to a person who is of the opposite race, most commonly african. Hand gesture over the face must be used when describing someone as a "new guy"

Magyver, First timer, virgin, no pubes, one who sleeps to much, Ketchup