Top Definition
A noun form of the word heinous. It is used to indicate that a person, place, or thing is so awful, so ghastly, so annoying that it becomes a sort of monstrosity in its own right. It differs from the word heinousness in that one can apply it to situations not normally deserving of the word without trivializing the word heinous.
Oh! The heinosity! I can't believe that you left a turd that huge sitting in the toilet unflushed!
by Shrewish Kate June 30, 2006
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