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laughing jackass

American  

noun

  1. kookaburra.


laughing jackass British  

noun

  1. another name for kookaburra

"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

Etymology

Origin of laughing jackass

First recorded in 1780–90; so called because of its loud braying sound