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Not know whether one is Arthur or Martha

An Australian colloquialism; to be in a state of confusion.
Often used in a threatening or otherwise negative context.
To not know whether one is Arthur or Martha

If that bloke goes anywhere near my girl, I'll bash him so hard he won't know if he's Arthur or Martha!
by MrKapper July 9, 2006
mugGet the Not know whether one is Arthur or Marthamug.

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