Ground-based anti-aircraft guns firing explosive shells. / Anti-aircraft shell fire. / (figuratively, informal) Adverse criticism. / (informal) A public-relations spokesperson.

plural of flak

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.

plural of flak jacket

(intransitive, informal) To be strongly criticised.

plural of flak-catcher

plural of flak catcher

A person whose job is to conduct public relations by shielding a more prominent person by intercepting and deflecting complaints and criticism.

Alternative form of flak catcher

A breakfast cereal made from toasted flakes of maize.