Typically found in a meme post that's either blatantly morally wrong or somewhat implicitly yet obvious morally wrong.
A person often joking about suicide until one day his friend pulled a gun.
The person: HOLL UP
An expression used when encountering something that's typically a so-fucked-up meme that it's funny.
Cyan: "White was acting sus, so I killed him..."
The rest of cremated: "HOLL UP"
When you keep making jokes about suicide, and your friend pulled a gun...
"HOLL UP"