ichidan verb, transitive verb
cover; put on top; lay over
Forcefully or abruptly placing something over another thing, often with a sense of covering or burdening. More emphatic than 被せる.
布団を押っ被せて寝た。
I threw the futon over myself and slept.
書類の上に本を押っ被せて
I covered the documents by plonking a book on top.