Describes something that is so fat or unhealthy that it is catastrophic to your health or well-being. This can include thoughts or actions.
Example 1.) I want a cupcake but eating one would be so fatastrophic.
Example 2.) Did you see Jimmy at lunch? He ate a whole large pizza all by himself, that is so fatastrophic!!
Fat Obese Overweight Unhealthy Catastrophic Binge Health
by Krissyalynn March 24, 2016
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When someone is so fat it is a catastrophe.
That's a fatastrophe!
by TurtleHDPokinU April 9, 2009
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1 : a meal that often invokes thoughts of heart failure and super-obesity due to the size and/or large amounts of fat and grease.
"Hey, they're serving fried butter sticks at this year's state fair!"

"Dear God... that's a fatastrophe."
by Caniborrow September 30, 2009
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A congregation of over 100 fat people in the same place at the same time, each of which ways over 350lbs/159.1kg.
I'm sorry but I can't go to your weight watchers meeting, I have to go to a fatastrophe later.
by Barrack Binladen April 15, 2010
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