When someone who you have met on several previous occasions acts like they don't know you when they see you in a different setting.
Susie: Hey, isn't that Joe from shipping who just walked past our table? He didn't even say, "Hello". I just talked to him earlier today!
Jenny: Yeah...he's got a case of the 'Don't Know Ya's.
by Likely March 04, 2010
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just so you know

A phrase tacked on to the end of a statement to imply that the information being given is simply a courtesy, when in reality there are specific expectations of you now that you have this information
What Danielle says to guy she's been seeing: Oh, hey I decativated my profile on the dating website, just so you know.

What Danielle REALLY means: You better take your dang profile off the dating website too....NOW!!!!
by Dwad!!!! June 29, 2010
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y'all don't know me

A way one can dismiss concerns and/or animosity others have towards them. Can refer to practically anything, but usually is reserved for illicit or illegal things.
Moneesha: "I'ma have sex with whoeva I want! It don' even matta!"
Tyra & Monique, Moneesha's Friends: "You need to stop Moneesha! You're going to end up dead or with a disease. We're really worried about you."
Moneesha: *waiving hands and pointing fingers* "Whateva! Whateva! Y'all don' know me! Y'all don' know me!"
by ACG2x September 29, 2004
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you know damn right

something often said by kerpal when your daughter kicks his dog and you deny it. You fucking guy.

-also see you bastard guy
your daughter kick my dog!

no she..

YOU KNOW DAMN RIGHT!!!!!
by Luvnuts March 04, 2003
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I know you not laughing

The 5 words of doom you WILL hear if someone catches you laughing at the wrong.
Person 1: “Cole ugly as shit, Cole fat and broke,”
Person 2: *Laughing his ass off*
Cole: Bitch, I know you not laughing?
by Heisenbergpoop January 06, 2022
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God knows how long

A thing so long you cannot describe it. Almost infinite amounts of longness. The "long" can also be replaced with other words like "short", "red", "sexy", and etc.
"That tube is god knows how long."
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you already know wassup

When he or she wants to date etc.
TBH: you already know wassup
by The.kid February 12, 2017
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