1 definition by Dextrine

Top Definition
The most delicious and fattening of all McDonald's products. It can only be ordered from their secret menu, to access this secret menu you must punch a cashier in the face while shouting McMAC!! repeatedly. If the cashier is still alive, he must then (company rules) proceed to give you a McMac.
Cashier: Sir may i take your order?
Customer: why yes could i have a MCMAC MCMAC MCMAC!
Cashier: OMG WHY WOULD YOU PUN...
Customer: *jumps over register and continues punching Cashier*
Cashier: ok ok, here's your mcmac
by Dextrine November 23, 2007

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