When a person has a dream that causes him or her to shit themselves out of fear.
Dude, last night I had the worst shitmare ever! Not only did I have to clean my sheets but I also had to scrub it off the walls!
by I-Am-Sketchy July 10, 2011
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Shitmare~ When one has to take a raging shit but all the bathrooms are occupied.
johnny i need the bathroom!!!
im about to have a shitmare!!!
by November 21, 2010
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