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transplaining 

When a trans-person tries to explain your sexual identity or orientation to you contrary to the fact that this is a personal choice and everyone has the right to identify as they please.
Person A: I'm super-straight
Person B (trans): That's transphobic, genital preference isn't a sexual identity..
Person A: Please don't transplain to me, I know what I am and it's not for you to decide. Transplaining is superphobic.
transplaining by mexican_jesus March 11, 2021

Transplaining 

When a Transgender person or an ally tries explaining sexuality and science to Super Straight people and tries to invalidate their very real and valid identity in the process.
Trans: there's no such thing as a biological female read up on your science. And Super Straight can't be a sexuality it's a preference.

Super Straight: You're Transplaining. I don't know where you're going with this... But it's not in Super Straight pants.
Transplaining by SuperMfundo March 10, 2021

Transplaining 

When a transgender person (generally who was previously male and has transitioned or is in the process of transitioning) continues to exhibit "mansplaining" behaviour, but not longer associates with that gender.
"OMG I was just showing them my makeup routine, and they started transplaining to me about why I shouldn't be using that foundation for my skin."
Transplaining by mrteacher November 26, 2020

transplaining 

When transgender individuals complain about their self-created drama to their eternal spouse Tumblr, under the impression that the rest of the world is to unquestioningly conform its will and behavior to their demented ramblings. Spinoff of mansplaining
TAL9000 is the transplaining champion.
transplaining by SwarmGoddammit September 21, 2013

Transplaning

The act of making your point of view be the be all & end all of political correctness no matter the actual matter or your point of view being scientifically correct. Explaining why you want to cancel a show that makes you sad but other happy.
They yelled & screamed at the crowd their point of view, no one really knew why they were burring Harry Potter books.

As they screeched the crowd knew it was their way of transplaning
Transplaning by BobDowne6969 August 15, 2020

Transplaining 

When a transgender person or transgender ally talks about their identity and/or general issues the transgender community face, and a transphobe wants to silence this discussion, they label whatever the transgender individual says as "transplaining".

Thus, "transplaining" is a slur a transphobe will use to label and stifle any conversation by a transgender individual or ally regarding trans issues.
Trans man (FTM): "I prefer he/him pronouns and prefer using the men's toilets, especially as I present as a male, thus using the women's toilets will cause confusion and makes me uncomfortable".

A transphobe/gender critical/terf: "You're transplaining!"
Transplaining by FiniteSpeculation November 10, 2022
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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