MediaWiki:Wiki-seo-empty-attr-parser
A fragment of the Garden of Remembering
Error: {{#seo:}} must contain at least one non-empty attribute.
Error: {{#seo:}} must contain at least one non-empty attribute.
Based on the name and this situation, I assume a piss disk is when you pee into a shallow saucer, freeze it and then slide the frozen disk under a door so that it melts later and forms a pool of urine in someone's apartment.