The definition of scatty is British slang and means disorganized, scatterbrained or absent minded.
(adjective)If you are constantly looking for your keys, wallet, glasses and other personal items, this is an example of a time when you would be described as scatty.
See scatty in Webster's New World College Dictionary
Origin: contr. < ? scatterbrained
See scatty in American Heritage Dictionary 4
adjective scat·ti·er, scat·ti·est
Origin:
Origin: Probably scatt(erbrain)
Origin: + -y1
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