bertoiad Share definition Flag to be snitched on to a teacher by another student who also got caught doing the same thing as you. boy A: man, i got bertoiad yesterday for stealing school stuff because Boy C told Mr. TeacherBoy B: dude, that sucks bertoiad by 7yujndfgfhk July 14, 2009 0 0 Get merch Get the bertoiad mug. Buy Now — $32.95 See more merch