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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When, while sitting at a bar, a person is flanked on either side by individuals who have chosen to take out books and read rather than continue a conversation. Also known as a Bilateral Booking.
At the Zig Zag last night Brian tried to talk to two babes, but ended up completely bookended.
by CA Central May 27, 2009
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To have yourself confined to a space smaller than what is needed to accommodate you comfortably, usually referring to when you're lying on the couch and you're unable to stretch all the way out because your head and feet press against the armrests.
dude: "Seriously, I'm done feeling bookended by this couch. I'm getting a new one."
by joelh March 25, 2008
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An event in the game of ultimate frisbee in which a player makes a huge defensive play causing a turnover on one end of the field, and then later scores by catching the disc in his own endzone on the other end of the field.
"Whoa, did you see Clay with that huge layout block?"
"Yea, then did you see Rich pick the disc up and huck it down to the endzone? Somehow Clay was there to catch it!"
"Yea, man, he had bookends that time."
by Clayton e. February 21, 2006
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A sexual encounter that starts and ends with your favorite activity. French bookends would indicates that you had oral sex at the start and end of your encounter.
I had a great time with Jillian last night, we had hot sex with french bookends
by golf99 August 4, 2010
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Sexual act where you have two ppl penetrating one person (one anally or vaginally and then another orally) thus like bookends on a shelf.
man sally got bookended last night by these 2 guys
by jeff2401 July 5, 2007
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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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