Citations:go mask off

Verb: "(slang) to stop caring about public perceptions or to drop pretenses and reveal one's true thoughts and feelings"

 * 2019, "Hasan Minhaj Has Heard His Fans, Next 'Patriot Act' Episode on CAA-NRC", Huffington Post India, 21 December 2019:
 * He begins his show saying, “Since our last update Prime Minister Modi has gone mask off on Muslims.”
 * 2020, Anna Piper Scott, "JK Rowling Comes Out... As Transphobic", Melbourne Star Observer, January 2020, page 17:
 * On Thursday night, JK Rowling finally went mask off and sent out a tweet loaded with transphobic dog whistles.
 * 2020, Skylar Ruprecht, "Democrats lose supporters, moral high ground in Iowa", The Stanford Daily (Stanford University), 14 February 2020, page 4:
 * These are amateurs who have such disdain for the left-wing of their own party that they've decided, one state into the primary, to go mask-off and reveal all the ballyhooing about Russian meddling in 2016 was actually just a pretense to win a few cheap votes.
 * 2020, Nicole Karlis, "Silicon Valley goes mask off: Tech CEOs veer right amid political turmoil", Salon, 5 June 2020