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That's Book 

Something that is so interesting/intriguing, that conventional sayings can't fully depict the awesomeness that was witnessed.
Speaker One: She lifted a house with one finger.
Speaker Two: That's book.
That's Book by trophy2 February 6, 2010

that's so book 

cool awesome

This originated from typing "That's cool" with T9 during texting and accidentally sending "That's book".
Lisa: I went to the Plumb carnival last week.
Allison: Nu uh! That's so book!

That's another coloring book 

A reference to using a coloring book to describe or teach about complicated or inappropriate things. Used on The Colbert Report
"Mom, where do babies come from". That's another coloring book

That’s the books 

That’s cool
I love that wallpaper, that’s the books.

There's a condom behind that bookshelf 

Joke about children's attitude towards sex and lack of practical knowledge or reading skills.
Kid A: There's a condom behind that bookshelf.


Kid B: What's a bookshelf?

Stealthie 

when you're holding up your phone and making faces at it, as though you are taking a selfie, but you're really taking a picture of the person across from you or the wall or anything else that seems interesting but you don't want to be caught dead taking a picture of.

This action is often made more convincing by wiggling the eyebrows or opening the mouth, to pretend you're trying to get a Snapchat filter to work.
FRIEND A: "Did you just take a stealthie of me?"

FRIEND B (turning phone around): "no I was just using snapchat's new filter, see?"
Stealthie by gwenhyfar October 2, 2016
Word of the Day on May 25, 2026