Topstitched or top stitched...whatever floats your boat!
This next webpage explains how to shorten a hem that's been stitched on top...in other words, it shows, on purpose.
The best example of this is the hem on khakis. Check your closet. I bet you've got plenty of these casual slacks.
This particular page has an added twist. The alteration is really quick because I don't have to rip out the old stitching. I also use no pins here.
So check it out. Let me know what you think. Top Stitched Hem Instructions