self-destruct
verb /ˌself dɪˈstrʌkt/
  /ˌself dɪˈstrʌkt/
[intransitive]Verb Forms
| present simple I / you / we / they self-destruct |    /ˌself dɪˈstrʌkt/   /ˌself dɪˈstrʌkt/  | 
| he / she / it self-destructs |    /ˌself dɪˈstrʌkts/   /ˌself dɪˈstrʌkts/  | 
| past simple self-destructed |    /ˌself dɪˈstrʌktɪd/   /ˌself dɪˈstrʌktɪd/  | 
| past participle self-destructed |    /ˌself dɪˈstrʌktɪd/   /ˌself dɪˈstrʌktɪd/  | 
| -ing form self-destructing |    /ˌself dɪˈstrʌktɪŋ/   /ˌself dɪˈstrʌktɪŋ/  | 
- (especially of a machine, etc.) to destroy itself, usually by exploding
- This tape will self-destruct in 30 seconds.
 - (figurative) In the last half hour of the movie the plot rapidly self-destructs.