1. Ctrl-Alt-Delete - Noun
2. Ctrl-Alt-Delete - Verb
3. Ctrl-Alt-Delete - Interjection
Ctrl-Alt-Delete (uncountable)
(computing) The simultaneous key combination of Ctrl, Alt, and Delete.
Press Ctrl-Alt-Delete to reboot.
Ctrl-Alt-Delete
(science fiction, sometimes humorous) Said by a sentient machine to express the desire to kill or destroy something or someone.
(computing, literally) To press Ctrl, Alt, and Delete simultaneously to restart.
(figuratively) To reset.
Source: en.wiktionary.org