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acting in a manner inconsistent with one's station in society.

Undeservedly pompous or braggardly
Full of one's own self-importance
Being "extra" unneccessarily
We tried to have a simple barbeque by the water but Hyacinth got all schuberty on us and turned it into a candle light supper with light riparian refreshments.
by rainee July 28, 2012
1. A brief period during puberty in which one bursts into intense, hiccup-like laughter at the most inappropriate times.
2. The period of life in which Scott Schubert will forever remain.
The young man at his Bar Mitzvah experienced a brief bout of schuberty upon realizing that he was on his way to becoming a man.
by Scott Schubert April 22, 2008