What Does “Sus” Mean?
Suspicious or questionable — something doesn't feel right.
The full meaning
Sus is short for suspicious or suspect. It describes anything that seems shady, dishonest, or just "off" — a person acting weird, a deal that's too good, a website that looks fake. It ranges from serious ("that link is sus, don't click it") to playful banter between friends.
Where “sus” comes from
"Sus" as an abbreviation existed for decades (British police slang used it in the 20th century), but the 2020 boom of the game Among Us — where players accuse each other of being the impostor by shouting "that's sus!" — launched it into global youth vocabulary. It has long outlived the game's peak.
How it’s actually used
Extremely versatile and now fully mainstream. Kids use it about behavior, situations, food that smells weird, and each other. Often paired with an accusatory tone as a joke.
✔ For parents & teachers
Harmless and actually useful — kids often use "sus" to describe genuinely questionable online content, scams, or creepy behavior. If your child calls something sus, it can be worth asking why; their instincts are often right.
Related slang
Last updated: 2026-07-04. Slang evolves fast — we review definitions regularly.