A off minue McDonald's item that consist of
1 Buttermilk chicken sandwich

inserted between the patties of

2 A Big Mac sandwich
I so hungry a McGangBang isn't going to cut it, I'm going for the Ultimate McGangBang.
by Cypher1o1 May 13, 2020
Get the Ultimate McGangBang mug.
When one takes a Double Quarter Pounder and inserts a McChicken Sanwich into it. Thus creating the Ultimate McGangBang.

Note* Only in Canada.
by DrizzyDr September 23, 2010
Get the Ultimate McGangBang mug.