A chicken.

or

A cry to alert hens.
:Oh, you're so generous, wook books, laying me so many eggs midwinter.

:gaining attention of hens WOOK BooOOK!!
by Ekename March 13, 2019
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World Book Day is a day of the year where lots of people dress up as characters from a story or film.
It's World Book Day!
by Elory Chihuahua April 17, 2015
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The perfect day if you want your kids to become furries.
I'm not dressing up for World Book Day, I don't want to become a furry.
by Power476 January 17, 2021
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Mainly used for the fact that appearances have to make sense sometimes. It is important to not judge by appearances but even then there are some times where the good guy actually needs to look like a good guy, and the bad guy needs to look like a bad guy.
I'm just saying would you ever guess some hideous and grotesque behemoth is the hero and some beautiful and kind spoken princess is the villain? Honestly, you should usually judge a book by its cover.
by CelticEagle February 18, 2019
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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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You cannot judge the character or quality of something/someone just by looking at them.
You cannot judge a book by its cover; that girl you talked to is actually a very nice person.
by Kitter the Killer Kat C: November 07, 2015
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