1. [singular] a time when there is suddenly a lot of activity and people are very busy flurry of After a quiet spell there was a sudden flurry of phone calls. The day started with a flurry of activity.
بنظرم عبارت "رگباری ( یا زنجیره ای ) از واکنش ها" میتونه معادل خوبی براش باشه!