"Internet rage" refers to an intense anger or fury that people express while communicating online, often due to disagreements, offensive content, or trolling. Full definition
The explanation for Internet rage involves anonymity, knowledge of subject matter and personal identification with it, and perception of content versus what it is actually saying. (health.harvard.edu)
It's classic internet rage: envision a conspiracy and then issue threats. (politics.co.uk)
While the game industry is no stranger to scrutiny, this man's fit of internet rage lost him the job of a lifetime with 343 Industries. (cogconnected.com)