In jail/locked up. Used as slang to reference experiences of being locked in a cell with nothing to do but sit up and think.
“Judge gave him 20 now he’s sitting up, sad story man”
“Most the niggas I grew up with are either sitting up or gone” - A boogie
To be caught doing some bs or some nasty shit on video or in a screenshot, and theres no way to hide from it because its 4k
“Damn he was in the DMs asking for squirt videos , caught his ass in 4k”
“How did they catch you in 4k???” - supreme dreams
What somebody says when they took a bad beat in a fight, but the person they fought got it even worse.
“Damn bro is that black eye from the fight at the club last night?”
“You should see the other guy”