1. A common side effect following a large consumption of fat. Usually associated with nausea, heartburn, indigestion, upset stomach, and explosive diarrhea.

2. A gang up of several morbidly obese citizens who raid small gas stations and steal their stashes of Twinkies.
"Yo n1gg4, I ate dis smoked turkey leg at my lady's parent's house the otha night and I got a muthafuckin' fattack. I was sittin' on their Toto for forty-five minutes and it smelt like toxic, dawg."

Cashier: "I dunno what happened, man. They just came in, knocked everything down, broke the windows, stole all the Twinkies and left... There was nothing I could do to stop them. I was so shocked at their agility, man."
by zoooooombie-er July 02, 2009
Top Definition
aggressive behavior from a person who is grossly or morbidly overweight, i.e. fat
Dude, leave that chick alone or you might get fattacked.
by fringeling June 06, 2009
Free Daily Email

Type your email address below to get our free Urban Word of the Day every morning!

Emails are sent from daily@urbandictionary.com. We'll never spam you.

×