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Trading Rooks 

A chess term meaning exchanging of Rook with your opponent's rook during a chess game.

Trading Rooks was used in the Limited series of a chess movie titled The Queen’s Gambit.

Trading Rooks also means getting Involved in an intimate relationship or entanglement.
I had to exchange my rooks as the king side was getting exposed.
May I know whom you are trading rooks with? I.e May I know whom you are in a relationship with?

I heard you and Joy traded rooks in 2010. How true is that?
Trading Rooks by FawolizzoChess October 27, 2020

Trading Pokemon Cards 

"I've been trading Pokemon cards wit Luke all week long now!"-Lauren

traveling by back

a girl who travels to vacation spots, with out having a place to stay for the night and so she hooks up with a guy or girl so she has a place to sleep for the night. its also named the kate.
kate went to the vineyard this weekend with out a place to stay and she stayed the whole weekend so it sounds like she is traveling by back
traveling by back by johndow0044 January 31, 2012

Penny Trading 

A joke similar to Ligma. If told correctly and the recipient fall for it, they will be told that the teller is penetrating their mother.
"Hey did you hear about that Penny Trading thing I'm doing?'

"No, what is it?"

"Pennytrading your mom".
Penny Trading by Penny Trading September 15, 2018
Taking an extremely long amount of time to complete a normal everyday task
I invited tadders over 3 hours ago and he's still not here. He must be taddering
taddering by Ziggly January 11, 2015

tapering 

Something that makes swimmers happy :D

Well, all athletes really...

It's working out really hard for a few days and then doing barely anything in a short amount of time. (usually right before a big game or meet)
When we were tapering, we only did 2500 instead of 7000 =)
tapering by a noun a mouse May 29, 2007
More from Urban Dictionary

square grouper

Nickname given to bales of marijuana thrown overboard or out of airplanes. Origin is reportedly from members of the US Coast Guard in the area of Southern Florida.
"Base we've got some square groupers floating outside of Miami harbor."
square grouper by slipsheet November 6, 2004
Word of the Day on October 7, 2026
A girl who does ballet and only talks about ballet. Her schedule is filled with dance classes which does not allow her to do any other activity.
"Hey, do you know that girl Sally?"

"Yeah, she's kind of annoying. All she ever talks about it ballet."

"Wow, what a Bunhead."

"Hey Sally, you want to hang out this weekend?"
"I can't, I have dance."
"You're such a Bunhead."

"Yeah... I know."
Bunhead by Jen00 October 24, 2014
Word of the Day on October 6, 2026

trucker's tan 

A sunburn or suntan focused on the left arm. It is caused by the left side of the body being the only half that gets exposed to sunlight while driving. Presumably, it would be located on the right side of the body in countries where they drive on the left side of the road.
I had a trucker's tan after driving for 10 straight hours on a sunny day.
Word of the Day on October 5, 2026
The phenomenon where adults salivate at children's toys
Every time I walk into the toy aisle, I catch myself kidulting over the latest action figures and LEGO sets!
kidulting by Emotional Cruiser October 12, 2025
Word of the Day on October 4, 2026
British slang for a scientist or technical expert, esp . when the speaker is not certain of the expert’s specific field of study. Not necessarily derogatory, but typically used by persons without a technical background. In the US, the equivalent would be “egghead”, “squint”, or “geek.”

Origin of the word is unknown. Started sometime in World War 2. Given the typical evolution of British slang, could easily have started because what these experts did was confusing or “baffling” to the common person.
According to the boffins downstairs, the murderer used a serrated blade.
Boffin by Agnon February 11, 2023
Word of the Day on October 3, 2026

Pee Calculus

When you have to pee in a movie but don’t want to miss anything, and must do the following mental equation: will the amount I have to pee cause enough discomfort to diminish my attention capacity for the remainder of the movie to an extent which is greater than the amount of the movie I would miss by making a mad dash to the restroom.
I saw Satantango last night, wonderful film but by the 5th hour I had to start doing pee calculus.
Pee Calculus by anorlondo October 1, 2026
Word of the Day on October 2, 2026
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