Pie-Librium 

While eating pie, its the point where the crust out weighs the pie, thus causing it to tip over.

Kid 1: Eureka, I'VE STRUCK PIE-LIBRIUM!!!
Kid 2: Whats Pie-Librium?
Kid 1: The crust tipped over!
Kid 2: By the beard of Zeus!

Pie-Librium by Harry Par'o'testicles September 16, 2011

carpe librum 

(v) seize the book.

Geeky variation of carpe diem to seize the book and not miss out. Derived to suit the book monsters inside us.

They are real for us.

Person A: I don't know if I should read this book. There are mixed reviews about it.

Person B: Just carpe librum. You won't regret knowing better.

carpe librum by puerille October 31, 2015

Malum Librum 

A Malum Librum is a portal to an alien world disguised as a book. These worlds are commonly full of evil monsters, but also some good ones. Many great adventures have begun with an unwitting child stumbling upon one.

Poor Mikey found a Malum Librum last month and it took him two weeks to get home! He missed our date, too. But he brought back a souvenir for me: a lich's soul jar. So yeah, it's all good.

Malum Librum by MalumLibrum958 January 20, 2020

Libbium 

1. n. The best kind of drug. It gives you the perfect high, and makes you really hyper and happy! Never depressing.

2. adj. Delicios, very delicious.

1. Person 1: Hey want some libbium?

Person 2: Hellz yeah, libbium makes me see unicorns that poop rainbows!

2. Person 1: This cookie is libbium!

Libbium by Dr. L. February 26, 2010