Definitions by Brown Eye Slugger

skinnyfat 

an over-indulgence of any type of fast food in one sitting (or under 30 minutes).

After a long workout at the gym, John caught a case of skinnyfat and proceeded to eat a large meatlovers pizza from Pizza Hut by himself.

"She ate a double-quarter pounder meal from McDonalds, 3 pieces of chicken from KFC, and some yogurt from TCBY....all in one sitting"
"Damn she THICKE, SKINNYFAT!!!!"

skinnyfat by Brown Eye Slugger May 5, 2010