A catastrophe caused or resulting from gays,fags,or high levels of fagacity. May also cause high levels of gayness in those involved. Ranges from a minor fagastrophe, such as accidentally groping your same-sex friend, to a major fagastrophe of purposefully gropeing your same-sex friend.
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."