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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.
by M.G. August 27, 2007
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Apr 21 Word of the Day
I've been jabbed
by Francesco II March 20, 2021
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