paint up

verb3

1. •
   To paint a surface, place or picture.

   • I spent the weekend painting up my shed.
2. •
   To touch up a paint job.

   • I'll hire people for the difficult chores, but I can paint up the damaged areas on the living room walls.
3. •
   (figurative) To make someone or something appear to be a particular way.

   • His description painted you up to be a monster.