when you meet a chick and instead of hooking up with her you go home facebook friend her and masterbate to her photo.
Dude, those chicks where so hot im going home to book up to them
by hp45 ruckus January 26, 2010

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Top Definition
(v.) To run fast. As book it, but specifically for running. Shortened to book in some cases.
"The cops are on the way; get ready to book up if there's trouble!"
by Super Ghoul February 11, 2005

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Hooking up with an "old friend" for a booty call via Facebook.
I friended Jenny last week and I've been trying to book-up for the last three days.
by suspiciousnick May 17, 2010

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Like "to look something up", but on facebook
Stan: I heard a new guy called Bob Billson is working here from tomorrow.

Lee: Cool, I'll book him up tonight.

Stan: Book up?

Lee: Like look up, but on facebook
by blu3wat3r May 23, 2010

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A group of friends on Facebook (social network) that are planning to meet up and use Facebook chat.
Facebook user 1 - Hey man gotta roll but lets "book-up" laters
Facebook user 2 - word!
by marantwat March 18, 2009

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The Urban Dictionary Mug

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The Urban Dictionary T-Shirt

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The Urban Dictionary T-Shirt

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a popularized term synonymous to sexual intercourse
"I walked in on my mom and dad while they were bookuping, and I must say that my dad's ass was so fucky hairy while my mom's titties sagged like a nutsack."
by bojangles bitches May 23, 2006

The Urban Dictionary Mug

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The Urban Dictionary Mug

Lotsa space for your liquids.

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The Urban Dictionary Mug

Your favorite word on a white mug.

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The Urban Dictionary Mug

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

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The Urban Dictionary T-Shirt

Soft and offensive. Just like you.

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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