Could Not Duplicate, a situation where an end user reports an error that can not be duplicated by the programmer or the end user. These errors are typically disregarded and presumed to be either user error or stupidity.
"I'd like to fix the error, but it's a CND"
A Dance done when either some cool happens,good music comes on,or just for the hell of it. In order to do the CND you must raises your hands in the air and make ur hands and head limp and wave your hands in a circularmotion.
Cool guy-Dude guess what.
*Cool guy does a triple backflip*
Cooler guy- WOAH!!!!!!!!!! *does CND*