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JSYK, I'll be arriving at O'Hare about 5:30PM tomorrow.
JSYK by jpneal January 8, 2021
Related Words
like instead of saying something like just saying you could be like just so you know ... like I'm going to cook dinner just so you know ... just saying sounds Rude "JSYK"
acronim for Just So You Know. can be used in a smug, sinsere, sarcastic, or normal sense.
( katie ¢¾¢¾ ) says: oh jsyk i quit Facebook.

- Zac - says: oh man i just added u as my friend. :(
jsyk by Campbell Vreeland July 6, 2008
JSYK stands for Just So You Know.
My friend says it all the time because she thinks she's chill when she says it because noone else knows what it stands for. Then we have to just say it all out. It's more fun to just leave the person hanging by not telling them what it means.
Guy: Woo, Look at that girl in those shorts! Mmm.
Girl: JSYK, She's a huge slut. She's got babies daddies all around here right now.
JSYK by Bones77 July 12, 2007
Just So You Know. A newer term then the old and overused FYI. JSYK is a good alternative to BTW, as when you use BTW in a sentence, people might take more offense. Usually placed at the beginning of a sentence and commonly used in texting.
ANNA: BTW, Mom, I ate all the cookies that you made.
MOM: What? I was saving those! What are you going to do next, eat the cake I made for your brother's birthday?

AARON: FYI, I ate all of the cookies you made, Mom.
MOM: Don't talk to your mother so rudely, Aaron! Go to your room!

AMELIA: JSYK, I ate all those cookies you made, Mom.

MOM: Oh, that's okay, Amelia. I can always make more.
JSYK by tHeChOcOlAtEbOoKwOrM March 4, 2016