self-delete

Etymology
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Verb

 * 1)  To commit suicide; to take one's own life.
 * 2)  To self-destruct.
 * 3)  Of code, to overwrite itself upon completion, usually with 0x00 or 0xFF bytes that represent an unwritten region.

Usage notes

 * The term self-delete is most often used on the Internet to bypass automatic filters that censor words such as suicide or kill oneself.