Mousefitti 

Mousefitti: Noun Contanction of Mouse (computer's) + Graffitti. Action and effect of mousefitti a website / any computer supported visual content with a communication piece ( wording, a draw, a decoration) wich will be visible to the page owner but not so for any visitor ( including you) unless using appropiate software. This was developed by/for a person with no social network identity as an effective alternative to interact with the page visited w/out log in or registration. It was NOT intendedto be outrunned, hienaized or similar sanitized named actions, it was intended to be used by /for 'good persons' for good deeds in the www who expects nothing but chivalry from their fellow netizens.

Had no time to log in so I did mousefitti on the selected articles.
Mousefitti-ing can be done on the go, don't need any special tools or software.

Mousefitti by The Sumo December 8, 2017

Mousefishing 

Playing along with an obvious catfish for one's own amusement.

A fake Kendrick Lamar Instagram account DM'd me and is trying to Catfish me. I'm mousefishing him just to see what he'll say, this shit's hilarious.

Mousefishing by Marvllouuus February 23, 2019

mouseitis 

The condition resulting from using a mouse for so long, so often that your fingers and hand become numb, sore and even raw.

Awww, man, I've got mouseitis so bad I can barely do anything else with my right hand anymore.

mouseitis by Crazy Mazy December 5, 2013