It's something you pay for in advance, then gets delayed indefinitely, then gets cancelled, then you are offered credits instead, then you have to call your credit card company in order to recoup your funds.
it's carona spelled backwards for people that don't know how to spell carona. alternativelly it's outwear for people that can't decide whether or not they need a windbreaker or a raincoat for those chilly days in their open concept office.