ack-ack

or Ack-Ack

[ ak-ak ]

Phonetic (Standard)IPA

noun

, Informal.

ack-ack

/ ˈækˌæk /

Origin of ack-ack¹

1935–40; for A.A. (abbreviation of a(nti) a(ircraft) ) as said by British signalmen referring to sense 2

Origin of ack-ack¹

C20: British army World War I phonetic alphabet for AA, abbreviation of anti-aircraft

"The ack-ack will knock those planes out of the sky," one of the sailors said.

That was a score for the Ack-Ack gunners and the ground boys.

They had reached the center of the area when the surprised ack-ack gunners woke up.

The Jerries were at it again and seemed to have slipped inside the balloons and the ring of Ack-Ack guns.

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