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A person who behaves as if they know everything, specifically in the context of a social atmosphere in attempts to look cool around others.
Jack: I got some champagne for the party!
Derek: Actually Jack, champagne is from one specific region in California, you just technically brought sparkling wine.
Jack: You're being a little Nancy Know-it-all Derek...
by MagicManMatt October 30, 2017
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Apr 26 Word of the Day
1. The default beliefs installed when you were a child.

2. An unexamined position you absorbed from your environment growing up.
I grew up in a conservative home so my factory settings lead me to vote Republican.
I grew up in a liberal home so my factory settings lead me to vote Democrat.
by riemannslost0 February 04, 2020
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