To reveal hidden detail or an illusion to an otherwise oblivious person or audience. Peeling the curtain behind the cloud is to give yourself or others away.

A phrase commonly used and misunderstood in the popular podcast 'Two Guys who Sometimes Disagree'.
Nick: That's some funky crayfish

Micah: It was left outside for four days

Nick: Don't peel the curtain behind the cloud

"Don't peel the curtain behind the cloud to reveal the Louisiana Crayfish."

"Stop peeling the curtain behind the cloud."
by Milly's Mannerisms November 4, 2017
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