off the book

doing sth without following the standards or procedures
don't do the experiment off the book!
by Bai LI September 12, 2007
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off the books

No paper trail , on the down low.

Don't tell no one. kind of like when someone is hiding money they keep it "OFF THE BOOKS"
ELLIE : HEY I NEED YOU TO DO ME A SOLID, BUT KEEP IT OFF THE BOOKS.

ANGEL : I GOT YOU , SAY NO MAS.
by Elliedizzle420 December 01, 2018
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off da books

to make money illegally, such as not reporting it in your income taxes. i.e., drug money, gambling, etc.
"gettin mad money off da books this year"
by thomas February 09, 2004
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that ride is off da books

A vehicle that is completely "decked out" as far as engine, audio system and anything else found inside a vehicle.
The judge at the car show said "that ride is off da books!"
by Element Master October 17, 2009
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Off Book

When you have memorized all of your lines.
Girl 1: Are you off book yet?
Girl 2: No.
by theatreslang July 16, 2020
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Off-your-Face-Booking

Going online to social networking sites eg. Facebook after a few too many drinks and doing things you may later regret or even forget.
"I was stupidly Off-your-Face-Booking last night and poked some people I shouldn't have!!"
by Mats101 April 01, 2009
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when one brings up a joke or a bit from the past
wow bro my handwriting used to be- and I'm really blowing the dust off the book with this one, dog water. but now its good
by M3 Garand August 27, 2025
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