1 definition by JacquesLolz

Top Definition
The worst kind of fail that anyone can pull by far.
"I don't know why, but my computer isn't working too well, so I formated C to try and fix it but now all I get is the blue screen of death."

"Dude, that's such a JFFAIL."
by JacquesLolz April 23, 2010
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