cybermob

or cy·ber mob

[ sahy-ber-mob ]
/ ˈsaɪ bərˌmɒb /

noun

a self-perpetuating group of people carrying out a campaign of online harassment that often includes ridicule and shaming or hate speech and threats, in response to reported news, stated opinions, published images, etc.: A few outraged trolls hashtagging part of the speech quickly snowballed into a cybermob posting racist memes about the speaker.

Origin of cybermob

First recorded in 2005–10; cyber- + mob1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019