An expression signifying an EXACT undertanding/agreement of what the speaker is saying.

Spoken very loudly or with higher intonation. Hand motion is generally used with speech.
"Can you beleive she wore that?" "I KNOW!"

"You would think the professor would give us a study guide." "I KNOW!"
by Schmeeph March 09, 2005
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A sentence or phrase used by someone (usually a kid) who becomes utterly annoyed hearing the same thing over and over again and being told what to do (usually from their teacher or parents).
Mom: You need to do your homework young man and you need to get it done now.
Son: I know, I know! What's what I'm trying to do, give me a break would ya?
Mom: I can't tell. Do it now
by UltimateDoge January 26, 2020
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When you want to imply you totally get what the other person's sayin'... ususally spoken with an emphasised "know".
Girl 1 : So then he told me, "I'll call you" and didnt even kiss me goodnight! I mean, hello?!

Girl 2 : i KNOW! Men can be such boors at times!
by Bah! Boo! October 20, 2009
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often seen written as "i knaa" - is a sarcastic phrase used to mock people, typically a slow person who asks or says something ridiculous. it is usually in the form of an exclaimed sarcastic response. it was originated at the ccolr in west philly.
hey, can i get a dollar?

"i know! dont you have a job?"

i got fired

"haha, iiii knooowww!!! dude, you're at work right now idiot! im your freakin' co-worker. you just got your check 2 minutes ago you douche bag!"

no, im poor now. i want to saaavvveee.

"hahaha. iiiii knaaaa. im done. please go play in traffic SIR"
by Patchiz March 11, 2009
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A sentence or phrase used by someone (mainly woman) who become utterly annoyed hearing the same thing over and over again and being told what to do (usually from a man).
Man: Girl, you need to get your work done and you need to get it done now.
Girl: I know, I know. Give me a break I'm doing what I can.
Man: I can't tell. Do it now
by Hidkidd March 04, 2019
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A phrase commonly stated by one who is ignoring your information because they believe they are correct. Commonly associated with bad spelling and grammar.
"this video is so bad, it sucks so much".
"The video was made for a sick family friend, please show some respect".
"i know but it sucks lol".
by Mr.BubbleSparkle October 06, 2014
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