[ T ] to spread plaster on a surface
[ T + adv/prep ] to make something stick in a flat smooth layer:
The torrential rain had plastered her hair to her head.
[ T usually + adv/prep ] informal to cover a surface or an object with something completely or thickly:
She had plastered her bedroom walls with photos of pop stars.
The car was plastered with mud.
The story was plastered all over (= printed so that it completely covered) the front page of the newspaper.