Meanings
US, late 20th century, from Indiana motor racing.
How to pronounce "on the bubble":
AU
Holding the last qualifying position with qualification still in progress, and thus liable to lose that position.
Having qualification for an event depend on the upcoming performances of other competitors; hence, at risk of being eliminated, and reversely, being close to qualification; on the verge.
Uncertain of success.
Used other than figuratively or idiomatically: see on, bubble.
Example Sentences
1
The team is on the bubble for making it into the playoffs.
2
She is currently on the bubble for getting a promotion.
3
The company's stock is on the bubble.
4
He's on the bubble for being selected as the captain of the team.
5
The student is on the bubble for receiving an academic scholarship.