Clowning

Putting clown face makeup on inatimate objects; like a wall, or vase.

"I saw Jerry painting on that vase the other day"
-"yeah, he was clowning on it"
"What does that mean? Clowning?"
-"Putting clown face makeup on inatimate objects; like a wall, or vase."
"Oh, ok"
-"yeah, he clowned all over that vase so hard"