Noun
A wild, turbulent situation in which multiple sharks or other predatory fish attack one or more edible creatures simultaneously, in competition with each other.
When the terrified, bleeding cow was washed overboard into the river, the hungry piranhas entered a feeding frenzy, turning the water red with blood.
(idiomatic, by extension) A voracious competition among would-be purchasers, etc. for limited resources.
The manager hesitated to open the doors to the thronging holiday crowds, knowing that a feeding frenzy would soon ensue near the display of coveted toys.
The theory is that election to Congress is tantamount to being dispatched to Washington on a looting raid for the enrichment of your state or district, and no other ethic need inhibit the feeding frenzy. George Will
As with the Princess Di crash, which sent the media on the most insane feeding frenzy. From the moment of the crash, the pornography of sentiment never let up. Barbara Kruger
I grew up in London under Thatcher and that really was disgusting. A feeding frenzy. Denise Mina