The action of moving or happening in sudden bursts; rushing about in a state of agitation or confusion.
From 'flurry' plus '-ing' (present participle suffix), describing the continuous or repeated action of flurrying.
English speakers instinctively understand 'flurrying'—you're not just moving, you're moving in that specifically scattered, repeated, back-and-forth way that describes both snow in a winter wind and a person trying to do too many things at once.
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