0day

Used by software pirates to describe material (software, music, movies) released the same day it hits stores

"Jesus, my gardener, has all the 0day"

by taktix March 31, 2003

0day

Relating to a security vulnerability or exploit that has not been released or known about by the general public. Often begged for on lists such as "Full-Disclosure" by kiddies.
Sometimes lamers will call it Ohday (OH-day)

1. Full-Disclosure Where teh 0day

2. Damn I must've got pwned by some 0day.

by h4x0r June 22, 2004

0day

Generally used when talking about cracked software, cracked and released the same day as the software was legally available.

That copy of DOOM I just got off of Funet is 0day man!

by SomeRandomWhiteGuy May 25, 2003

0day

Used in IRC or other chat (in the negative) as a sarcastic comment to something already said or "old news."

<person_1> X just happened, check out website
<other people> Very interesting, person_1!

... 3 hours later ...

<person_2> OH EM GEE X JUST HAPPENED website
<other people/person_1> That's so not 0day.

by rmb September 04, 2006