paint it purple

Means shot on site if trespassing due to the purple paint being a warning

If y’all don’t stay out I’m gonna paint it purple!!

Rest in paint

A graffiti artist that died (rest in peace)

Rest in paint Kez5 ykk

Get In the paint

Get In the paint. Hoe don’t be scared and fight that hoe.

“You acting scary, get in the paint.”

Back in the painting

To be "Back in the painting" means falling back in your old habits. If you we're a portrait this act would be portayed.
Also used for more short sighted terms like when there is a bowl of candy on the table and you exclaim, i'll have no more and then two minutes later you are – indeed – back in the painting

I'll have no more candy now. (moments later the person eats more)
I'm/she/he is now "back in the painting"

painting her attic window

Putting on chapstick.

Look at that girl painting her attic window.

Paint Beast

A really fat person (typically a short and fat chick)

Yo look, it’s a 6’9 290 paint beast over there!

Hard in the paint

Go hard at an obstacle or task

When she doing her thing, she go hard in the paint