ichidan verb, transitive verb
Physical action of rubbing something onto a surface, often with a sense of carelessness or force.
壁にペンキをなすり付ける。
I smear paint on the wall.
彼は手に
He wiped the mud from his hands onto his pants.
ichidan verb, transitive verb
pin the blame on; shift the blame to
Figurative use: to unfairly attribute fault or responsibility to someone else, often with a nuance of rubbing or smearing the blame onto them.
彼は自分の失敗を同僚になすり付けた。
He pinned his own mistake on his colleague.
責任を他人になすり付けるのはよくない。
It's not good to shift the blame onto others.