cover your ass with paper(redirected from cover one's ass with paper)
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cover your ass with paper
To protect oneself by leaving a paper trail or by maintaining proper, comprehensive documentation. In business, you had better get used to covering your ass with paper, so that if anything goes wrong, you can always refer back to written proof of the conversation that led to it.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.