Top Definition
A program that decides to not work for a period of time, due to it being busy or it is processing something, and sometimes no reason at all. Also, some programs can do this for forever and literally piss you off instantly and wanting to force quit the program in Task manager or in severe cases, throw your computer out the window.
Mozilla Firefox (Not Responding)
Me: Goddammit, not again... I'll wait...
(5 hours later)
Mozilla Firefox (Not Responding)
(Throws computer out)
by aaaaaiiiiiiieeeee March 28, 2012
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