Definitions by Caplinski The Great

Facenapalm 

A response to a statement or action of epic stupidity with disastrous consequences, where a simple facepalm will not suffice...

Astronaut Alpha: Damn space can of Spam, I thought it was our NASA can opener, I would never have pressed the big red button if I had known it was the ships airlock release.

Astronaut Beta: FACENAPALM

Facenapalm by Caplinski The Great September 1, 2011