Top definition
The attempt to consume any amount of Burger King Stackers in descending order, starting from the biggest Stacker desired to the smallest Stacker available.
Josh: I just ate a Quad Stacker Factorial.
Luke: What is a Quad Stacker Factorial?
Josh: It is the consumption of a Quad Stacker, Triple Stacker, Double Stacker and a Single Stacker.
Luke: Wow! That is some serious patty consumption.
by JDUBS910 February 20, 2014
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