wiseacre
Pronunciation: /ˈwīzˌākər/
noun
A person with an affectation of wisdom or knowledge, regarded with scorn or irritation by others; a know-it-all.
Origin
late 16th century: from Middle Dutch wijsseggher 'soothsayer', probably from the Germanic bases of wit2 and say. The assimilation to acre remains unexplained.
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I'm a wiseacre from the United States. I admit it.
Now, If I were from Europe, I'd be much different. I'd be a wisehectare.
