To ruddled something means to color it red.
Ruddling something can make it look bright and happy.
Examples:
She ruddled her cheeks with paint.
The artist ruddled the barn with a fresh coat of paint.
He ruddled the flowers with a special dye.
The cat ruddled its fur with red paint!
The whole town was ruddled with red for the big celebration.
I ruddled my face with red paint for the party.