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thats what that is 

Something that is in style now. Or what is popular today.
Song, Clothes, Shoes, People, etc....
Shaquaqua: You hear that new DJ Unk, its crunk?!!!
Shalalaqua: Yea gurl, thats what that is!

Paul: I guess you think you cool
John: Im what that is, you aint know?

"Im what that is, you what that aint"
thats what that is by booya! April 2, 2008

Idk what that is

Congratulations Brother. I love you and admire your perseverance, dedication, and mastering your craft. Huzzah brother Huzzah!
Idk what that is by JojosBizarro December 22, 2021

Is that what you told her? 

A derivative of the common phrase, thats what she said, is that what you told her is a response to any sentence that contains sexual innuendoes. It is best used in a sentence involving fitting something into a hole or something being inadequate.
"Are you sure it can fit in there?"
"Is that what you told her?"

"It was fun but it wasn't something i would do more than once."
"Is that what you told her?"

"That was amazing!"
"Is that what you told her?"

What is that

Similar to the term "what are those."

This term ofton refers to an individual's choice in clothing. In some cases, this word can refer to the individual all together.
What is that? How could he decide to wear crocs with socks?

What is that? I can't even tell if that is a man or a woman!
What is that by Wowzawowza69 August 5, 2016

Is that what they're calling it these days 

1) An expression of surprise at slanguage one hasn't heard before, especially when it's obviously sexual or scatological in nature.

2) A tongue in cheek way of turning an ordinary comment into a double entendre by implying the above.
Dude, I'm heading home. I'm gonna go online and play some World of Warcraft.

Oh really? Is that what they're calling it these days?

what_is_that_melody 

The coolest person you will ever meet. He's someone you can go to whenever you need a friend to lift your spirits, or someone to talk about the most random stuff with. He's the other half of that batch of cookies. Never underestimate how great of a person he is. Mel is the seal that gets everyone together and everyone loves when he's around.

EVERYONE LOVES MEL
Hey have you heard of what_is_that_melody?

No! Who is he?

He's the other half of that batch of cookies, and a blue m&m!
More from Urban Dictionary

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

Slop Grenade

When someone uses AI to generate a large document, slide deck, or piece of code/software and tosses it over the fence for you to deal with.
Chad: Hey Brent I sent you the new backend API change to review, it’s only 100 files changed.

Brent: he just tossed me a slop grenade
Slop Grenade by Joe Squid September 28, 2026
Word of the Day on September 29, 2026
Short-hand for the word floccinaucinihilipilification, meaning the estimation of something as valueless (encountered mainly as an example of one of the longest words in the English language).
After we broke up, he was floxi to me.
floxi by Dr. Geek May 13, 2009
Word of the Day on September 28, 2026
NYC people who migrate north to Quahog, RI to see the leaves in the fall.
New York and everyone from there can fornicate themselves with an iron stick.
leafers by ss++ February 8, 2005
Word of the Day on September 27, 2026
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