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banzai attack

British  

noun

  1. a mass attack of troops, without concern for casualties, as practised by the Japanese in World War II

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Example Sentences

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“We decided it must be a banzai attack,” Gibbs recalled.

From Washington Times

Sometimes it would be in force in a banzai attack.

From Literature

On July 7, 1944, while fighting on Saipan, Bean and his comrades faced the largest suicidal banzai attack of the war and, at 24, he was reported missing in action.

From Washington Post

“We thought it was a banzai attack but parrots had moved in on us. They were objecting to us being there. There were hundreds of them.”

From Washington Times