Top Definition
A highly potent strand of psychedelic mushrooms, named after the characters in the Beatles movie Yellow Submarine.
Those blue meanies make you trip balls.
by BahLLama April 02, 2008
when you are so constipated your face becomes all twisted up & turns blue. This event is often accompanied by a variety of deep gutteral moans.
man, that cheese gave me the blue meanies!!
by mr hankie June 14, 2006
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