When someone mocks you for not putting a price tag on the foreign objects you leave behind in the toilet it's art some might say, or when you frequently don't flush the toilet and someone notices your master piece. "Hey Sam I've been noticing you've been leaving behind presents in the works toilet 🚽 do you mind flushing it, it stinks." "Of course after you walk across Lego pieces and glass shards we'll have a deal pal."
own up to my shit action, verb, adjective should take part of owning up to your responsibility whether it's physical or imagery.