Top Definition
reveal the inner workings of a project or company to a prospective new partner.
Anytime Mr Johnson wanted to open the books and initiate a new member, he, alone, didn't need the others' approval.
by coletto January 22, 2008

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A term used to describe the loosening of one's ego when tripping on LSD; can also be described as easing ones objective rationality when tripping.
Dude1: Hey man that doesn't make any fucking sense, you know what I said makes perfect sense!!
Dude2: Relax man, you gotta open the book....
by jazzbar May 30, 2011

The Urban Dictionary Mug

Lotsa space for your liquids.

Buy the mug

The Urban Dictionary Mug

Lotsa space for your liquids.

Buy the mug

The Urban Dictionary Mug

Your favorite word on a white mug.

Create a mug

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

Buy the mug

The Urban Dictionary T-Shirt

Soft and offensive. Just like you.

Buy the t-shirt

The Urban Dictionary T-Shirt

Smooth, soft, slim fit American Apparel shirt. Custom printed. 100% fine jersey cotton, except for heather grey (90% cotton).

Buy the t-shirt