The bulk update request #9061 has been rejected.
mass update bike_shorts_under_skirt -> bike_shorts skirt
This is just a superfluous compound tag for the bike_shorts skirt search. In fact, if you do a bike_shorts skirt -bike_shorts_under_skirt search, you'll find it has almost identical results with surprisingly few false positives. As such, there's no reason for bike_shorts_under_skirt to exist.