galah | WordDisk

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• a small Australian cockatoo with a grey back and rosy pink head and underparts.

• a stupid person.

Origin: mid 19th century: from Yuwaalaraay (an Aboriginal language of New South Wales).

• behave in an incompetent or inappropriate way that makes one appear foolish.
"I'm always making a galah of myself"

• (of a person) completely mad or irrational; crazy.
"you're as mad as a gum tree full of galahs, sliding down that hill!"