self-destruct

self- +‎ destruct

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

1. (usually figuratively) To destroy oneself or itself.

   The submarine was primed to self-destruct.

2. 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.

• self-destruction