Definition of galah noun from the Oxford Advanced Learner's Dictionary

 

galah

 noun
noun
BrE BrE//ɡəˈlɑː//
 
; NAmE NAmE//ɡəˈlɑː//
 
(Australian English, informal)
 
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a stupid person Word Origin mid 19th cent.: from Yuwaalaraay (an Aboriginal language of New South Wales).