At the very least it sounds a lot better than "fsck", which really is short for filesystem check. Unless you have a very frelled up view of the universe, that's a frelling stupid word to use
I dunno. It's
exactly the sound you make when you're trying not to swear because you've dropped something heavy on your foot in front of The Important Customer We Must Please At All Costs.
I suppose there's always "smeg" or '--ing"