throw off the mask(redirected from they threw off the mask)
throw off the mask
To discard some pretense or false display and begin acting in a genuine or authentic manner. It seems that many people have thrown off the mask of decency, whether they're protesting or responding to the protests. Jane, I implore you, throw off the mask and let the world see your true self!
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.