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Gruel is A water soup, was fed to orphan's as in the movie and book Oliver Twist (also features in a simpsons episode(as Krusty brand Gruel))A greyish colour very water down and often based on potatoes, or wheat and other starch tasting vegies.
Krusty Brand gruel 9 out of 10 orphans can't tell the difference.
by Carrie Henschell January 12, 2005
A thin liquid food of oatmeal or other meal boiled in milk or water.
Wow, now that's tasty gruel!
by jdaniel November 15, 2007
cool and great combined
i heard some totally gruel news!
by jess December 06, 2004