The story
Blend of glasses (“specs”) + asshole. From the behavior of Google Glass users, and similar spec-based camera-equipped PDAs with eye displays.
First known use, by meaning
- from 2013 A person who wears spectacle frames equipped with PDAs (especially with cameras) that display into the user's eyes, and who acts like a jerk or films inappropriately.
Etymology from Wiktionary, CC BY-SA 4.0.