It depends on the context.
If (say) you are in charge of running a high-powered saw in a slaughterhouse, it's not a good thing at all.

"Ooh, what does this d-ARRRRRRRGH MY FUCKING HAND!"
( The Mock TurtIe ™ --- Thinks you are a cunt, on, Mon 1 Jun 2009, 20:49, archived)