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In fits of laughter.

Came about when I was chatting in a chat room when someone said thats funny in fits of laughter. I thought that was a cool thing and so I started ifol. I have been spreading it around. I even found it on Wikipedia for computer language. I do not even know who even put it up there.
Persona1: oh yesterday i triped on a banana peel

Person2: ifol fail.
by Tsubasa1Syaora May 12, 2009