Top Definition
When you forget that a Microsoft Operating system is a piece of shit and you reinstall it completely forgetting how horrible it was the first 250 times you've tried it.
God Dammit... I'm so Microsoforgetful... I reinstalled vista expecting it to be a diamond and realized that they keep trying to polish the same turd.
by HawtDogFlvrWtr July 17, 2009
5 Words related to Microsoforgetful

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