What is Corner Case?
1.
A use case, situation or artifact of a project that you and/or your colleges completely missed. It's a nice way of wording the fact that someone overlooked something important and now suddenly it's apparent to everyone.
Guy 1: Oh
shit the freakin program is crashing immediately. I think the problem is the database isn't installed!
Guy 2: Yeah... another corner case. Good thing we're checkin' all the angles. Maybe we should put some hand rails around this one.
See 
Random Words:
1. 
The direct opposite of information
This stupid map is just full of unformation!
See information, readme, crap, shizzle..