голышом(They sunbathe in the buff. • The toddler ran around the house in the buff, refusing to put his pants on. • In the summer of 2009, he famously was snapped riding a horse while in the buff. • People generally don't go swimming in the buff in public places.)
засветиться(особ. о разведчике или сотруднике, внедренном в банду: We don't know if the FBI agent blew his cover or not. • The triple agent blew his cover in May 2014, when he offered his services to the Russian consulate in Munich. • What a great Federal Agent, blew his cover faster than an addicted snitch.)