turn (one's) coat

(redirected from turning his coat)

turn (one's) coat

dated To change one's allegiance or affiliation (especially in politics) for personal gain or advantage. A good politician will espouse the most hard-line stance of his party's political ideologies, but a successful politician knows when to turn his coat.
See also: coat, turn
References in periodicals archive ?
In the 1980s, the French discovered that President Francois Mitterrand had been a Vichy official before turning his coat when the going got rough, French churches harbored war criminals long after the war, and a Vichy functionary, Maurice Papon, who later served under French administrations into the 1960s, had directly delivered Jews to the Nazis.