Caticide 

When you give up on life and all that you have is a can of tuna and 4 cats. Shove the tuna up your ass and hope they eat you to death in your sleep.

Mike didn’t have a noose handy so he committed caticide instead. He was so jealous of Brooks, he couldn’t go on living.

Caticide by Flexo Rodriguez November 9, 2018

Cuticide 

(noun) to kill with cuteness.

The puppies and babies in this slideshow are committing cuticide.

Cuticide by wackado November 12, 2013

Caricide 

Caricide is a condition in which a car wants to commit suicide. It doesn't want continue existing in this world so it attempts to total itself.

Fred bought a used car. The car was quite old and despite all of Fred's loving efforts to fix the car, the car decided to commit caricide and seemlessly roll down the street crashing into another car and instantly resulting in its imminent demise.

Caricide by Torrents July 27, 2016