fat breathin 

a period of heavy labored breathing most usually associated with consuming a mass quantity of greasy, fattening, delicious food. this condition is usually accompanied by general drowsiness and napping on the couch. meant to imitate the breathing of a fat sweaty individual.

andrew: hey frank do you wanna go toss a football around or something?

frank: nah man i just demolished some dino bbq... fat breathing hard. ill catch you later

fat breathin by acatch68 December 11, 2011

Fat Breathing 

When someone breathes overly hard, unnecessarily into a gaming microphone producing a very annoying windy effect to other gamers. This sound its what it sounds like when a fat person is breathing heavily, like when they walk up a flight if stairs.

Dude, quit fat breathing in your mic, it's so annoying!

Fat Breathing by Veggie Face July 25, 2010