keep (one's) head below the parapet

keep (one's) head below the parapet

To hide or remain inconspicuous in an attempt to avoid trouble or danger. I wouldn't say anything right now—just keep your head below the parapet for the time being.
See also: below, head, keep, parapet
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
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