Any Intentional Playing of the song, Community Immunity 1: Let's All Get the Vaccine feat. Darryl DMC McDaniels. Released by Columbia University. The Playing of said song is to be done in such a way that it is a surprise. Similar to that of a rickroll. This Trend Was popularised by the Creator of "the list" and half of the Habibi Bros, Siraj Hashmi. Where he will often torment his twitch chat by randomly playing said song.
Did you get Vax-rolled By Siraj again?