When Someone who usually has nothing to do, usually because they're unemployed, suddenly has something to do for that day. That one thing, no matter how meaningless becomes the big deal of the day.
Used to sarcastically act like you aren't trying to brag about something that isn't worth bragging about. Should make it seem like you are bragging about it. Usually said in a sarcastic tone. Not to be used when something actually is a big deal.
Starbucks lady: "Total is $4.23"
Me as I hand her $4.23: "Exact change, no big deal"
A sarcastic way of referring to some one who has had an incredible run of good fortune. Inspired by Will Ferrell's turn of the phrase in the movie "Anchorman".
Darrin's kind of a big deal. He ran into Shaq last week and had his picture taken with him, he won the all expenses paid trip to the Indy 500 and today Medicare approved his hoveround. I wish some of that luck would come my way.