referring to the movie "mean girls". the burn book is a book where the main characters page pictures of their classmates and roast the shit out of them with snarky comments or by accusing them of doing weird things. a virtual burn book is a group message in which the girls (or boys) in it spend most of their time sending pictures of other people and gossiping.
-conversation from the virtual burn book-
friend 1- *sends a picture of another girl*
friend 2- Holy crust... she's so trashy.

friend 3- I heard she gave Jake an STD.
by okyeano July 18, 2017
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