Synonym: ack-ack, ack-ack gun, antiaircraft, antiaircraft gun, attack, blast, fire, flack, flack catcher, flak catcher, pom-pom. Similar words: flake, flaky, flakes, flake out, snowflake, lake, slake, kulak. Meaning: [flæk] 
n. 1. a slick spokesperson who can turn any criticism to the advantage of their employer 2. intense adverse criticism 3. artillery designed to shoot upward at airplanes.
n. 1. a slick spokesperson who can turn any criticism to the advantage of their employer 2. intense adverse criticism 3. artillery designed to shoot upward at airplanes. 
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61. Axis 88 mm Flak 36 now receives intended bonuses from support weapon veterancy.
62. Flak 88 and Pak 38 moved back into the Support category for Veterancy.
63. The Revenant's payload, a proton bomb, does considerable initial damage that radiates outward. Additionally, the Revenant features a rear-mounted Flak Cannon and an onboard stealth field.
64. To enter Gaiter, I strapped on a head-mounted display and a flak jacket, as well as forearm and shin guards.
65. Assault unit from the factory Anti-air flak cannons, self-repair system creates tactical choices.
66. In recent years they have attracted more than their fair share of flak from the press.