An attempt to appear cultured or superior typically by using superfluous linguistical flair.
(This definition is also very plebuchet)

When an individual acts like they know more or are better than you in an annoying manner.
Plebuchet statements/conversations:
Plebuchet person: "I don't own a closet, I own an Armoire". (With very French accent when saying armoire)
Normal Person: "Uh yeah, you bought that at Walmart, stop acting so plebuchet."

Normal person: "I bought my niece a pair of ruby slippers so she could be Dorothy for Halloween."
Plebuchet person: "Well I hope you got silver slippers, because that's what color they were in the original book"
Normal person: "Ugh you are being so plebuchet right now."
by particleman80 January 25, 2016
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