Our rabbit engages in mindless fun by zooming around in every direction, coming to screeching halt[s], and jumping up into the air for no god damned reason while contorting himself in ungodly ways.
It's something that most rabbits do as a form of play/expressing happiness/jubilation. It's been dubbed 'doing binkies' [ugh] by rabbit owners, and it's hilarious. Especially for us, because Pinto is such a fat lard. Unfortunately we haven't caught him on camera, but an example:
As far as cats go, I'm definitely more of a dog person. I've committed to rescuing Pit Bulls and other 'bully' breeds for the rest of my life, but can't until we own a house as renting with a bully is next to impossible. Some cats are okay, though. I have a soft spot for the special-needs and ugly kitties. Like the one my mom is currently fostering at her house:
