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A burger created by taking a piece of bun off a McChicken, and off a Quarter Pounder, and then putting the burgers together.

Named after the food poisoning salmonela which apparently takes place if uncooked poultry and beef make contact.
Driver: Whadder you want?
Shotgun: McSalmonela and a cherry pie.
by Dr Winterbourne February 24, 2009
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