Top definition
A catastrophic event caused by a fat person. Often happens at fast-food places, hospitals or at you mothers house.
Liam: "Damn there was a fire at Mc. Donalds yesterday and no one could get out of there."
Nik: "Why?"
Liam: "No one was slim enough to get out of the doorway."
Nik: "Wow, that was a real fatasstrophe."
by sNilli May 28, 2013
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