A term used to describe distribution or release of digital media (such as software, video or music) before it is sold in stores or before it hits the street. Zero-day releases may be pirated or stolen and may break the law, but not all zero-day releases are obtained illegally.
by Pascal September 21, 2003

warez'ed software, usually, that's distributed really quickly, perhaps even on the official software release date or before.
by schmiddy September 22, 2003

by Su8LiMe1 June 13, 2021

No time left to do whatever you had planned to do, the day you die, or the day that your life will metaphorically end (be put in jail for life)
by james "the snake" ricardo September 19, 2003

Tristan: Naru you look terrible!
Naru: I know, I had a zero-day.
Nik: Welcome to my world. Want some of my moonshine? Anyone got shoeglu?
Naru: Go away homeless man
Naru: I know, I had a zero-day.
Nik: Welcome to my world. Want some of my moonshine? Anyone got shoeglu?
Naru: Go away homeless man
by snootsnoot July 23, 2016

usually day of release for music or games on the internet relating to the pirate groups that release it on the internet
by hk September 21, 2003

by ItsSexyBeast October 01, 2021
