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Short for See You Soon.
Guy: I'll be right there
Girl: Okay
Guy: sys
by PhoenixX April 02, 2005
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SYS is a quick and easy way to say, 'See you soon!'
Me: SYS

Friend: Ok SYS bye!
by Goldsong Gaming April 19, 2018
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4
This has quite a few meanings.

1: (My Favourite) SHUT YOUR SHIT!

2: Shoot yourself.

3: Slap yourself.

4: See you soon.

Example for the 1st meaning.
Tim: Dude omg i love cod man.. it's like the best game everr!!! i pr0 snipez omg!!

Simon: Dude, SYS.
by Vope July 01, 2010
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This acronym refers to the process of "securing your shit". This relates to using an IT system in a way that allows you to prevent unauthorised access. Examples of this process is adding 2-step-authentication to your Facebook account.
Billy: I got hacked
Alatin: Should have SYS
Billy: Dangit
by AlatinGaming November 29, 2018
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Texting:

Roger- aye yo bro i just saw this bomb chick down the street, im tryna slide in

David- true bro SYS you never know what could happen
by twixnzone6 February 05, 2019
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Save Your Soul. When somebody close to you is either being kidnapped, sold to the devil, or basically in a really bad situation (as per your POV). Especially convenient to use in texts. You can tell someone to save your soul as either telling them to run away or for good luck.
Lana: Oh my god! I have Ms. Cripps for next period. I bet she is going to have a pop quiz! SMS rn
Mindy: You need to SYS bae! But I have a history quiz after lunch... I don't even know what it's about! Help Me!
Lana: Ahhhh! SOS!

*Kidnapping Situation*
Davy: Go SYS! We don't have time! I'll distract him while you run!
Gracie: But what about you?
Davy: Just Run! *whispers* SMS....
Gracie (hearing him): *whispers* SOS
by iangel.ily November 17, 2014
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