Anything lacking firmness or solidity; a cheat or fraud; an empty project.
A period of intense speculation in a market, causing prices to rise quickly to irrational levels as the metaphorical bubble expands, and then fall even more quickly as the bubble bursts.
The emotional and/or physical atmosphere in which the subject is immersed.
An officer's station in a prison dormitory, affording views on all sides.
Any of the small magnetized areas that make up bubble memory.
The point in a poker tournament when the last player without a prize loses all their chips and leaves the game, leaving only players that are going to win prizes. (e.g., if the last remaining 9 players win prizes, then the point when the 10th player leaves the tournament)