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1.
Australian slang for the tendancy to criticise highly successful people (ie, tall poppies), and 'cut them down'.
Sam seemed to be suffering tall poppy syndrome when he described Kerry Packer as an evil man, merely because he was a billionaire.
by BabydollPink December 30, 2005
 
2.
Australian Slang for someone who has a high ego and needs to be brought back down to his peers through put downs.
Trent was suffering Tall Poppy Syndrome and he was long overdue for a put down or two.
by thisaussie55 October 18, 2010