Offensive term for twins or other co-multiples, implying that they are not individuals.
Hey, Mary-Kate and Ashley, come be in this picture! Yeah, one on each side of me...y'all are like bookends!
by SleepsWithTheFishies May 27, 2011
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When the person who lights the joint and takes the first puff also finishes it off, it is known as a "bookend". If another person finishes it off but they did not light the doobie, it is called a "bookmark".
"Here bro you rolled it, bookend that zoot"
by BeerBaron101 November 8, 2017
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The act of having a meal that consist of eating an appetizer and a dessert.
We are going to go having dinner at Applebee's and bookend it. I think I may have mozzarella sticks, nachos, and chocolate cake.
by SalPhone January 7, 2012
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The act of two partners both anally penetrated using the same double ended dildo.

Both partners then rub against each other - back to back in order to create the visual of bookends.
"Me and my wife tried bookending last night! That double ended dildo was way too big for me! My ass is soooooo sore today but it's not that bad in comparison as she's still at home trying to fish it out.... Great night!"
by MrMeow147 April 22, 2017
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1.) Having sex with one person, leaving them and having sex with someone else unbeknownst to the first and, finally, returning to the first and banging them a final time, all within a short period of time.

2.) A person who particpates in such a sexual excursion.
1.) One night, in the Geen, the girl had a bookender.

2.) After the fun the night before, she was officially a bookender.
by Ben Filippini December 3, 2003
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A group of skinny girls between two heavy weight bitches. Usually done in professional photographs.
How did your wedding pictures turn out? "Nice, I am very happy with them! The photographer was really good." I saw you had two fatties in your wedding party. They didn't ruin the pictures did they? "No thank god she used them as bookends."
by Mayble Chote October 3, 2011
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A shop in The University of Aberdeen which sells second-hand books. Inhabited by a range of utterly insane students who have nothing else to do with their time and make too many awkward and random jokes.
Volunteer A: Yo, you going to Bookends?

Volunteer B: Duh, what else have I got to do with my life.

***

Volunteer C: When do we get the new computer system?

Volunteer D: Dude, we work at BOOKENDS; so, I'm guessing 22nd century (TBD).
by BOOKENDS!!! March 23, 2010
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