sus is short for suspicious. someone can be sus if they have been acting shady or fishy about something. sus is just a short way of saying that something feels suspicious about someone or something.
by bonkers1579 April 5, 2020

That person is very sus
by Dom3948 March 10, 2022

by Huhdude March 30, 2019

someone is accused of venting.
someone is trying to say they didn’t kill another.
someone is accused of self report.
someone is trying to say they didn’t kill another.
someone is accused of self report.
by Stopsmacking September 30, 2020

This kid’s kinda sus (suspicious).
Hmm. I sus (suspect) you.
You’re my sus (suspicion), I won’t trust you.
Hmm. I sus (suspect) you.
You’re my sus (suspicion), I won’t trust you.
by HappiestLemon February 2, 2023

Mild disappointment in a teenage or adult child, such as in there entire life is suspect. Why are they here.
by kitsunen March 3, 2025

by I AM NOT SUS October 10, 2021
