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1.
Having pocket cards in Omaha (definition #5) consisting of exactly two cards in one suit and exactly two cards in a second suit, such as {2 of hearts}{3 of hearts}{4 of spades}{5 of spades}.
The best starting hand in Omaha high-low-split eight-or-better is commonly regarded to be A-A-2-3 double-suited.
by Jeff_P May 09, 2006