Sus

A sketchy/shady person who can't be trusted.

That Foo was acting all sus.

by Minor2supreme May 17, 2016

Su

Usually seen in Snapchat Su in slang means Swipe up and or Shut up
It's seen in. Texting not speech

Example "Su who is this "
meaning, swipe up who is this?

Or
Person 1: did u see Madison's Story??!
Person 2: no, show me
Person 1 k, I'll send u a screen shot
Person 2: SU! SHE GOT A NOSE PIERCING??!

meaning

Shut up! she got a nose piercing?!
Shut up in the way of saying, No way or Omg really?!

by Wizz32 October 6, 2019

Sus

Being suspect. Doing or being sketchy or being scandalous.

Eric is sus by not paying gas money and texting other girls.

by Sidd Poot June 24, 2013

Sus

A ghetto way of saying “sis” or “sister”

Heyyy sus

by Jnmnmcm August 15, 2018

Sus

suspicious

Friend: *Says something gay*
Me: Yo you're sus!

by Jesiah Betts July 9, 2019

Su

Straight up.

I fuckin’ hate people who speak without thinking, su

by GuyOnTheInternet69 February 20, 2019

Sus

AJ Lafferty

AJ is being so sus right now. He’s such a bad girl.

by MGC_ZK September 4, 2020