Definitions by M.G.

fatwow 

1.) An exclamation, usually one of amazement used when just saying wow won't do.

2.) A common reaction to a trip to Fatburger.

1) Is that a lion that's attacking your neighbor? Fatwow!

2.) This burger is amazing. Fatwow. Seriously. Fatwow.

fatwow by M.G. September 3, 2007