self-destruct

English

self-destruct (third-person singular simple present self-destructs, present participle self-destructing, simple past and past participle self-destructed)

(usually figuratively) To destroy oneself or itself.
The submarine was primed to self-destruct.
- 2019 November 17, Sarah Holt, “Verstappen wins Brazilian GP as Ferraris collide AND Gasly and Sainz claim first F1 podiums”, in CNN‎^[1]:
  The Ferraris pressed the self-destruct button, Lewis Hamilton lost his spot on the podium, and there were champagne moments for Pierre Gasly and Carlos Sainz Jr.
To destroy or greatly damage one's position in a game, in one's work or career, in one's financial or social position, etc.
If you attack with an energy level of only 30 you are going to self-destruct.

Dating the boss is a bad move: if it goes badly, you could self-destruct.

to destroy oneself