color up

1. To cover someone or something with color. A noun or pronoun can be used between "color" and "up." Tens of thousands of people get colored up with brightly colored powders called Gulal. I wanted to color my outfit up with some nice accessories.

2. To fill in a black-and-white image with color. A noun or pronoun can be used between "color" and "up." I do all the drawings in ink, and a friend of mine colors them up for me.

3. To become red in the face, as from embarrassment; to blush. I could feel myself coloring up as I awkwardly asked Cindy on a date.

4. To exchange lower-denomination casino chips for fewer chips of a higher denomination. A noun or pronoun can be used between "color" and "up." I raked in my winnings and then made my way over to the cashier to color up my chips.