Mcfart 

Gas caused by consuming fast food.

You should have smelled the McFarts that those taco bell chulapas gave me!

Mcfart by onewhoknew July 11, 2009

McFart 

(n) a very lethal expulsion of gas through the anus, characterized by being extremely warm and quiet, and is often used to strip paint

(v) {-ed,-ing} to let a McFart

McDonald's makes me McFart.

McFart by BeardedFatass January 20, 2004

Fatty McFatsofat 

(Noun) An individual whose physique becomes enlarged and grotesque as a result of consuming too much McDonald's food. This phenomenon, albeit formerly unnamed, gained national attention and was popularized by the documentury "Super Size Me."

Fatty McFatsofat at the Drive-Thru: "I'll have two Big Macs, no wait, make that eight Big Macs. And... throw in a batch of fries, you know, a whole basket full, however many large-sized fries that is... One McRib, three of this little cheeseburgers, a twenty-piece Chicken McNuggets... and..."

Fatty McFatsofat by jpsi December 24, 2008

Mcfart 

whenever you fart after eating mcdonalds

LOL omfg jerry just mcfarted!

Mcfart by neitou September 17, 2007

mcfatshit 

the asshole in front of you in the drive thru line that takes forever.

christ, how much food did this mcfatshit order? hurry up!

mcfatshit by the undying zombie June 20, 2008

McFart 

The unique smelling fart you have after eating McDonalds food.

Come on Jeff! What the heck why did u McFart in my car!

McFart by Pa2 Greggs February 25, 2009

mcfatshit 

a complete fatass who eats nothing but mcdonald's every single day of their life

dude look at that mcfatshit! ahahahaahha..uhhm ill give him 10 more weeks...what about you?

i'll give him till tomorrow...

mcfatshit by dropkikkmarc71 April 13, 2008