Skip to main content
Dictionary
Store
Blog
World
Help
Advertise
Chat
System Status
Information Collection Notice
Trademark Concerns
reCAPTCHA Privacy
Terms of Service
reCAPTCHA Terms
Privacy Policy
Accessibility
Report a Bug
Data Request
Contact Us
Security
DMCA
© 1999–2026 Urban Dictionary ®
Mugs
Tees
Hoodies
Pro Customization
Create unique products with your own words and definitions
Preview
Personalize Your Design
Your Word
Your Definition
GLaDOS (Genetic Lifeform and Disk Operating System,1 DOS being a homage to Microsoft's MS-DOS) is a fictional artificially superintelligent computer system from the video game series Portal. GLaDOS later appeared in The Lab and Lego Dimensions. The character was created by Erik Wolpaw and Kim Swift and voiced by Ellen McLain. GLaDOS is responsible for testing and maintenance in the Aperture Science Computer-Aided Enrichment Center in all titles.
Text fits
Save
Cancel