Last week it pooped on the bathroom mat (I threw away the mat because it was cheap anyway). Not long after it pooped on the towel I put in the kitchen. Soooo.... lazy to get itself to its own litter box. But I gave it a good slap yesterday while pointing at her poopie mess on the wooden floor in my bedroom, then took it downstairs to the litter box. It knew I was angry and it tried to make it up by rubbing itself against my feet, but I wouldn't take the bribe until it knew it was wrong.
I think the kitty learnt its lesson.... for now. I just saw it go downstairs to the litter box 5 minutes ago.