Don King pop quiz: Vocabulary

My folks were up at Foxwoods a few months ago and happened to walk in on a Don King Productions press conference. Dad said it was "take your daughter to work day," and one of the fellows there had his two daughters with him. He gave them notebooks and told them to write down all the big words they didn't understand. Well, in that spirit after spending time in front of the Arena today...

Define and use in a sentence.

--Hoopla
--Regalia
--Haughty
--Inimitable
--Fait accompli
--Conviviality
--Lumpenproletariat

(By the way, I hope my list of references -- incomplete though it was -- makes it into the paper. It was like watching The Simpsons.)