all-or-nothing bet
nounUK /ˌɔːl ɔː ˈnʌθɪŋ bɛt/
US /ˌɔl ɔr ˈnʌθɪŋ bɛt/
A bet where you win everything or lose everything.
He made an all-or-nothing bet on the final race.
OTHER MEANINGS
2. A situation where total success or total failure is the only outcome.
The startup's launch was an all-or-nothing bet on the new app.
3. A financial investment that pays off fully or becomes worthless.
Buying those options was an all-or-nothing bet on the stock price.
4. A decision that leaves no room for partial success or compromise.
Quitting his job to train full-time was an all-or-nothing bet on his athletic career.