win-double-or-lose-allwager
nounUK /wɪn ˈdʌbəl ɔː luːz ɔːl ˈweɪdʒə/
US /wɪn ˈdʌbəl ɔːr luːz ɔːl ˈweɪdʒər/
A bet where you either win twice as much or lose everything.
He made a win-double-or-lose-allwager on the last race and lost it all.
OTHER MEANINGS
2. A risky choice where success brings a big reward but failure means total loss.
Starting the business was a win-double-or-lose-allwager for the young couple.
3. A game or contest in which the winner takes twice the prize and the loser gets nothing.
The card game turned into a win-double-or-lose-allwager by the final round.
4. Any situation that demands total commitment with no middle ground.
The final exam felt like a win-double-or-lose-allwager for the whole class.