The McDonald's double cheese burger with a whole Spicy McChicken in-between the two burger patties. Only change is a whole order of fries in the McChicken.
I used to go to McDonald's for the McChurger/McGangbanger, but now the McDunavin is the staple of McDonald's.
by Deadeyedunavin January 25, 2011
Get the McDunavinmug.