flak jacket noun1 •A special piece of clothing worn by soldiers to protect them from shrapnel and grenade fragments, other non-direct fire and battlefield debris. Sometimes used informally to connote any of the various forms of a bullet-proof vest.By longstanding, bipartisan tradition, decades of White House press secretaries have handed down a cheeky symbol of their job fielding rat-a-tat inquiries from feisty reporters: a flak jacket. — 2022 formsflak jackets
