When you know how to personally contact an expert in a particular field--especially when the subject is unusual, strangely specific, or illegal. Often used when you do not want to reveal the identity of the contact or how you came to make the acquaintance of such a person.
Co-worker: "The boss said a hooker took off with the USB flash drive with all our vital code stuck up her vagina. How are we going to find her and get it back?"

You (not wanting to talk about how you did IT for a pimp/gynecologist who owes you a favor): "I know a guy."
by General Deviance June 28, 2018
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Used most commonly by youtube star Natalie Tran on her channel, Community Channel. I is used when taking a compliment that was meant for you to compliment the person back. An end to the oh-so annoying back and forth of fake compliment giving girls usually tend to have.
Girl 1 : " Oh you look so pretty today!" *expecting to receive comment on how she looks pretty too*

Girl 2: " Baby, I know."
by fieldhockeyyox1203 June 2, 2010
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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!
by Takeba Malik December 14, 2018
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A favorite quote of Ray Naker when he hears a third party bring up a certain experience, event, or situation that someone he knows has also experienced. This quote is usually dropped with malicious intent and is intended to point out the negative actions of some coons that Ray has encountered in his lifetime.
Armando: Y'all see the news tonight, there was a dude who just got arrested for raping a minor.
Ray Naker: Shiii, I know a few...
Armando: Put a name on it.
Ray Naker: Nah, we not gonna do em like that.
by TurnM3Up December 23, 2020
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Term used mostly in the DC area to indicate agreement with something somebody said.
Matt: Trenita, my French class was cancelled this afternoon so I have the afternoon free.

Trenita: I know that's right.
by Mattthewz April 1, 2005
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A substitute for "I know right?" in Canadian terms. "I know EH?" is used by many Canadians. (Ike as an acronym.)
Abby: "It's so cold outside!"
Jim: "I know EH?"
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What you say when your home slice says something you understand. If you really get it, you know that really soft bread.
Yo, I failed Mr. Carson's class.
Bruv, I know that bread.
You know that bread?
Oh yeah.
by EpicGamer312 October 24, 2019
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