meowfest 

A cacophonic, cascading stream of utterances by a feline. A cat diatribe. Preceded by a merf.

My cat merfed prior to breaking into meowfest song.

meowfest by frogofthegleefultreevariety January 11, 2022

Meowfesance 

Wrongdoing by any being that makes meowing sounds. (Usually a cat)

When I got home I immediately saw evidence of serious Meowfesance. Artemis had puked all over the rug....

Meowfesance by Reward me with riches April 30, 2022