Short for suspicious, a quick, funny reply to something when you don't know what to say, or an inside joke.
"What's your name?"
"SuS SuS SuS SuS SuS SuS SuS SuS SuS SuS SuS SuS SuS SuS"
Someone who is suspicious, usually red.
Blue: Idk red's a bit sus
Red: Bro its not me. *Hides knife behind back*
Yellow: just vote red
shortened version of suspicious, mostly used in the game among us.
nobody says it anymore lol
artubald: "did you see that?"
darfushwetza:"yeah, that was pretty sus"
Me-are ur nan is sus
Someone's nan-blood shut ur fucking mouth ok