feeding frenzy

noun3

1. •
   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.
2. •
   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.
3. •
   (informal) An event in which participants erratically grab and eat food.

   • Karen's new students thought treat day was a feeding frenzy and horded the snack table.