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Reinventing the Dildo 

1: Calling a preexisting sexual position/sexual act by a nonconventional name.

2: An expression used when a person "invents", unknowingly, an already existing sexual novelty.
Ex. 1:

Bob: Dude, me and Linda totally did a double decker last night!

Frank: Bro, it's called 69. No need to reinvent the dildo.

Ex. 2:

Bob: I came up with this awesome idea last night. Just hear me out, but what if we video tape people doing it and put it on the internet??

Frank: Bob, it's called porn. Stop reinventing the dildo.

reinventing the wheel 

Starting something over completely from scratch when there is already something prepared. Often done unnecessarily and for the purpose of taking full credit.
Michelle: Did you see the dress Jenny made? It's just like that one we saw at the mall, except the straps cross.

Carly: Why didn't she just alter that one? She's always reinventing the wheel.

renovating

Euphemism for what's known as "adujusting yourself" in guys.
Dude 1: What the fuck dude? Take your hand out your pants!

Dude 2: Don't mind me, I'm just renovating!
renovating by PaplooTheEwok October 3, 2007

rentvesting 

A real investment strategy in which you rent your main residence wherever suits your lifestyle, while buying investment properties and leasing them in suburbs that you can afford.
Alice: Home ownership in Sydney is impossible.
Bob: Why not rentvest/do rentvesting?
Alice: What’s that?
Bob: Live/rent in Sydney for $500 a week to enjoy the lifestyle. Buy an investment property in Brisbane. Wait for house prices to increase and make a profit. Buy a house in Sydney in the future with the profits!
rentvesting by TheDumbInvestor April 10, 2021

reinventing the bus 

Like “reinventing the wheel”, but for techbros.

More precisely, it is to spend an incredible amount of money, time and mental effort to finally come to a solution that was actually figured out decades or even centuries ago.

Bonus points if you end up making yet another app using the blockchain, so that in order for you to use it, you need to put your SSN on a distributed public ledger so that it can get pwned by Russian hackers.
“Ok, pitch it.”

“Ok so like basically we get people to pool their money together into one thing and then invest that thing into Bitcoin and use the profits from that investment to pay everyone involved once a month, and then when someone dies their portion of the investment goes to the other participants.”

“…you just described a tontine.”

“A what?”

“A tontine. The thing you're describing. It's been around since the 17th century. Are you reinventing the bus again?”

“No way, man! This one's different, this one uses JIT-compiled vue.js and blockchain smart contracts to keep track of the system!”

“Brilliant. Here's a million dollars, we're gonna be rich!”
reinventing the bus by tariqk November 21, 2022

Renovating The Cabin 

When a married spouse, in a monogamous marriage, sneaks off to a cabin, under the excuse to renovate the/a cabin to cheat on their significant other, with a side piece in secrecy.
Renovating the cabin. My best friends wife, went to renovate their cabin, but she was caught cheating on my boy.
More from Urban Dictionary

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
Literally "dirty" pronounced with a West Indian accent. Can also have a positive connotation, for example Sean Paul's album title "Dutty Rock".
"The girl is pretty but she corrupt and dutty!"

or, in a positive usage:

"Booya! That freestyle was dutty!"
Dutty by J Hall April 3, 2003
Word of the Day on October 1, 2026
korean word for madam, older woman
Ajumma wait a moment
Ajumma by aintnotinbutnice July 5, 2009
Word of the Day on September 30, 2026
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