A kernel panic is a type of error that occurs when the core (kernel) of an operating system receives an instruction in an unexpected format, or that it fails to handle properly. A kernel panic may also follow when the operating system is not able to recover from a different type of error. A kernel panic can be caused by damaged or incompatible software or, more rarely, damaged or incompatible hardware.

Literally everyone, ever. Including the writer of this definition.

it's similar to micro$hit winblows Blue Screen Of Death

Diarrhoea (or diarrhea, depending on your linguistic preference). Contrast with core dump, which is solid.

The emotional distress and sticker shock experienced when purchasing popcorn, especially at movie theaters.