A medium pizza, rolled up and deep-fried. It is officially called a pizza roll. Usually ordered when intoxicated. The favorite food of drunk St. Lawrence University students. If eaten sober, the first few bites tend to taste quite delicious. The same can't be said about the last few bites. THE ultimate diet killer, hence the name "fatbag."
"I was so drunk last night, I called Sergi's and ate a whole fatbag by myself."
Verb - This is when you you have sex with a fat, ugly woman who should, by all rights, be forced to walk around with a bag around her head.
Noun - Fatbagger - A woman who is to be fatbagged.
"Let's go fatbaggin'"
"Man, I was so wasted last night. Was I fatbaggin' it?"
Fatbagger: "Man, I'm so horny, I could even go for a fatbagger!"