plaster on(redirected from plastering it on)
To smear some substance onto and all over something. A noun or pronoun can be used between "plaster" and "on." They plastered red paint on the sides of the embassy to protest the unlawful killings. The artist stood in front of the canvas and began plastering on mud, grass, and sand.
Farlex Dictionary of Idioms. © 2022 Farlex, Inc, all rights reserved.