die like flies

Meaning

1. die / fall / drop like flies

   to die or fall down in very large numbers

   People were dropping like flies in the intense heat.

From the same entry

• fly the coop
• fly high
• fly in the face of
• fly into a rage, temper
• fly a kite
• fly the nest
• fly off the handle
• go flying
• let fly
• the bird has flown
• as the crow flies
• fly the flag