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The term is commonly used at the end of a statement, primarily to emphasize the factual basis of said statement.

It can also be used to educate others of your self-importance or emphasize others' faults.

The term was popularized by Allison Dubois on an episode of the reality show "The Real Housewives of Beverly Hills - Dinner Party from Hell."
Allison: "I have books written on me and by me and television shows based on my life so you can just take a flying leap. Know that."

-or-

Jason: "You're an uneducated silly bitch. Know that."
Know That by fobulouswon March 3, 2011
Used when you want to say you agree with someone. Just a shortened 'you know it'. But know it doesn't sound as good :) Also spelled kno: tht, dat & dhat. or know: tht, dat & dhat. Pronounced "know dat"
Tyrone: Corey's girl got him on lock, he stay with her all day, every day.

Tori: Mhmm, know that. she won't let him go.
Know that by Tori-<3 November 7, 2010
to acknowledge ones words or actions, or to inform someone of their new discoveries
Michael-Did you really give her the Angry Dragon?
Ty-Know That!
Know That by thetyty December 14, 2010

Did you know that there's a tunnel under Ocean Blvd 

The ridiculously long name of Lana Del Rey's upcoming 9th studio album, out March 10, 2023.
Stream Lana's new song Did you know that there's a tunnel under Ocean Blvd!

You Know That, Right? 

A phrase that can be added on to the end of a statement to make it sound obvious-- implying that the other person is stupid if they didn't know the statement.
Frenemy: So, have you kicked him out yet?
Anne: No...?
Frenemy: What are you waiting for? He'll never change.
Anne: I'm not sure wha--
Frenemy: He's cheating on you, you know that, right?
Anne: Oh! Uh... yeah... I...I uh totally knew that...*cough cough*

I Know That's Right 

When you know exactly what someone is saying.
Man I'll be single forever, people play too much!
I know that's right, that's why I'm single too!
More from Urban Dictionary

Frothability 

The measure of an emotional and over zealous consumer in an upwardly charging market, also known as a bull market. It's characterized by rising asset prices, increased investor confidence, and favorable growth in the markets, bro.
The frothability was evident as over-zealous consumers eagerly engaged in bidding wars, driving property prices to unsustainable levels reminiscent of previous speculative bubbles.
Frothability by cptn.kagaroo1 January 26, 2024
Word of the Day on November 12, 2026

Soul digger

A man who dates women with the sole purpose of exploiting their time, energy, and labor while he sucks the joy and happiness from their lives.
"That guy's a soul digger. He'll expect you to work full time, but you'll be doing all the cooking, cleaning, laundry, shopping, and childcare while he plays video games or watches TV."
Soul digger by anonymous November 11, 2026
Word of the Day on November 11, 2026

pod person 

A person pretending to be something they aren't, or an impostor. This is inferred because of the old alien movies where alien pods appear on earth and the "pod people" dispose of the humans and slowly reproduce the bodies, pretending to be humans.
The pod person was pretending to be my father, but I knew that he was an alien when he acted differently than my father ever would have.
pod person by Christopher M. May 9, 2005
Word of the Day on November 10, 2026
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