When somebody says something that exposes them in any way, they get caught in 4K, sometimes annoyingtiktok kids use it randomly even if it doesn't make any sense.
Johnny: Does anyone else hate theyr dad? He's so mean to me
Becky: I know right! Like he abuses me!
Rick: REALLY BECKY? *Photo of her tweeting how much she loves her dad* CAUGHT YOU IN 4K📸
Johnny: I'm gay
Annoying tiktok kid: CAUGHT YOU IN 4K📸📸📸