stick (one's) head above the parapet(redirected from stuck their heads above the parapet)
stick (one's) head above the parapet
To brave the risk of receiving unfavorable reactions from others by being stating or defending opinions that may be considered controversial. Thank goodness that someone is willing to stick their head above the parapet and drew customers' attention to the deceitful practices of these corporations. Several senators stuck their heads above the parapet and defended the legislation against their own party.