To fuck up royally while attempting to accomplish something.
-Rob fucked the sheets on his math exam.

-Rob fucked the sheets instead of his girlfriend so she dumped him.
by Logan24 July 16, 2005
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n. The sheets you use to scrump when you're on your period.
You don't want to stain your good sheets red do you?
by Big Brett the Bombthreat January 13, 2004
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