daubing

To apply (something) to a surface in hasty or crude strokes.

“The artist just seemed to daub on paint at random and suddenly there was a painting.”

To paint (a picture, etc.) in a coarse or unskilful manner.

To cover with a specious or deceitful exterior; to disguise; to conceal.

To flatter excessively or grossly.

To put on without taste; to deck gaudily.

Something daubed, such as graffiti.

A rough coat of mortar put upon a wall to give it the appearance of stone; roughcast.

In currying horses, a mixture of fish oil and tallow worked into leather; dubbing.