Meaning: falling fast and copiously
Rewrite 1: dropping like failed pick-up lines
Rewrite 2: dropping like missed opportunities
Rewrite 3: dropping like names in Hollywood
Rewrite 4: falling like autumn leaves

Comment: You could probably have more fun with this one … falling like love at a freshman dance?

Check out the searchable alphabetical list of my cliché rewrites with the archive list at the right.