The word sus, short for suspicious, exploded in online slang through the social deduction game Among Us, where players accuse each other of secretly being the impostor. Phrases like bro is so sus became a shorthand joke on TikTok, Discord and gaming streams, used whenever someone acts oddly, lies badly or gets caught doing something sneaky. Because the joke needs no context beyond that one word, it travelled far beyond the game itself and is now used for friends, siblings, pets and streamers alike, keeping the clip instantly recognisable years after the game's peak.