Mentally ill, possibly.
Hahaha that's hilarious, it would have been so funny to do that to my step bro cuz he takes care of his cats but he like NEVER cleans the litter box haha
Umm, when I had my kitty smooch I was pregnant. But since my husband refused to have anything to do with him, and I couldn't kick him outside- he was just a baby, I ended up replacing the liter daily.
So I probably wouldn't have noticed if you shat in his box!
He could have cared less if I had gotten Toxoplasmoisis from it and told me I could either do it myself or get rid of Smooch.
Smooch disappeared when we moved here...
Eh it's better to replace their cat litter with pop rocks
No more so than me leaving used condoms all around the bed, while your GF is out...
But then you'd need to set it on fire to make it right, and funny.
I don't know about morally, but there would definitely be something wrong with you...
I think a more fun way to try freak out the owner would be to get naked, cover your ball-sack with catnip, get down on all fours, and say "here kitty kitty kitty."
Don't go in with wet feet .
I don't know but it's funny as heck
just showing what an asre ya is ... that's all