1 definition by Pseud0naut

An Elite 1337 way of expressing a hex or hexadecimal system. Can also be seen as a curse.
"Jo, my h3x-editor doesn't boot up, how can I fix this?"
"Dunno man, did you try to reboot?"
"Thanks man, how could I have forgot."
by Pseud0naut September 12, 2022
Get the H3X mug.