This term is used for insulting someone fat,overwhieght, huge,etc. this is because the Big Mac is a very big and fattening burger from Mc'Donalds. You can also use the term Mc'double.
(In a classroom with a fat teacher) student1"the Big Mac is comeing" student2 " everyone do your work!!" Fat teacher " I'm back now do your damn work!!"
by BILLYGOAT May 14, 2015
Get the the big mac mug.
A burger that over the years gets smaller and smaller

Back in 1990 i remember this thing being bloody huge, now days its the size of a tennis ball.
What ever happened to the fucking "big mac"?
by chemical mcfeast October 18, 2005
Get the big mac mug.
The burger of dreams. OR heart attacks, whichever comes first.
I got a big mac and now I'm in heaven! literaly!
by Zach G. January 15, 2004
Get the Big Mac mug.
Two all beef patties, special sauce, lettuce, cheese, pickles, onions on a sesame seed bun.
big macs are gooooooood
by lolay January 11, 2004
Get the big mac mug.
To fart on someone and sit on their face
Oh I just Big Macd this guy named Tyrone yesterday, he sucked my willy and shat on my chest, I love Big Maccing people
by Willy03 February 12, 2022
Get the Big Maccing mug.
Codename for a fat person. Usually used to notify a buddy that there is an obese person within the premises.
Dude check it out, big mac, 4 o'clock!
by HuFlungPu August 30, 2008
Get the big mac mug.